Home / 160,968.34-222,135.93-89,349.22

Finding the Fourth Proportional to 160,968.34, 222,135.93 and 89,349.22

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Solution

The fourth proportional to 160,968.34, 222,135.93 and 89,349.22 is: 123,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,968.34 : 222,135.93 = 89,349.22 : x
  2. Step 2: Convert to fraction form
    160,968.34/222,135.93 = 89,349.22/x
  3. Step 3: Cross multiply
    160,968.34x = 222,135.93 × 89,349.22
  4. Step 4: Simplify right side
    160,968.34x = 19,847,672,079.47
  5. Step 5: Solve for x
    x = 19,847,672,079.47/160,968.34
  6. Step 6: Final answer
    x = 123,301.71

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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.