Home / 160,968.38-222,136.18-89,348.23

Finding the Fourth Proportional to 160,968.38, 222,136.18 and 89,348.23

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Solution

The fourth proportional to 160,968.38, 222,136.18 and 89,348.23 is: 123,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,968.38 : 222,136.18 = 89,348.23 : x
  2. Step 2: Convert to fraction form
    160,968.38/222,136.18 = 89,348.23/x
  3. Step 3: Cross multiply
    160,968.38x = 222,136.18 × 89,348.23
  4. Step 4: Simplify right side
    160,968.38x = 19,847,474,501.96
  5. Step 5: Solve for x
    x = 19,847,474,501.96/160,968.38
  6. Step 6: Final answer
    x = 123,300.46

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Half scale
Find fourth proportional to 321,936.76, 444,272.36 and 178,696.46
Double scale
Find fourth proportional to 160,969.38, 222,137.56 and 89,349.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.