Home / 161,100.12-222,228.52-149,696.28

Finding the Fourth Proportional to 161,100.12, 222,228.52 and 149,696.28

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Solution

The fourth proportional to 161,100.12, 222,228.52 and 149,696.28 is: 206,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,100.12 : 222,228.52 = 149,696.28 : x
  2. Step 2: Convert to fraction form
    161,100.12/222,228.52 = 149,696.28/x
  3. Step 3: Cross multiply
    161,100.12x = 222,228.52 × 149,696.28
  4. Step 4: Simplify right side
    161,100.12x = 33,266,782,753.91
  5. Step 5: Solve for x
    x = 33,266,782,753.91/161,100.12
  6. Step 6: Final answer
    x = 206,497.57

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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.