Home / 161,034.73-222,223.65-89,412.91

Finding the Fourth Proportional to 161,034.73, 222,223.65 and 89,412.91

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Solution

The fourth proportional to 161,034.73, 222,223.65 and 89,412.91 is: 123,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,034.73 : 222,223.65 = 89,412.91 : x
  2. Step 2: Convert to fraction form
    161,034.73/222,223.65 = 89,412.91/x
  3. Step 3: Cross multiply
    161,034.73x = 222,223.65 × 89,412.91
  4. Step 4: Simplify right side
    161,034.73x = 19,869,663,217.32
  5. Step 5: Solve for x
    x = 19,869,663,217.32/161,034.73
  6. Step 6: Final answer
    x = 123,387.44

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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.