Home / 161,139.17-222,377.13-89,524.91

Finding the Fourth Proportional to 161,139.17, 222,377.13 and 89,524.91

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Solution

The fourth proportional to 161,139.17, 222,377.13 and 89,524.91 is: 123,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,139.17 : 222,377.13 = 89,524.91 : x
  2. Step 2: Convert to fraction form
    161,139.17/222,377.13 = 89,524.91/x
  3. Step 3: Cross multiply
    161,139.17x = 222,377.13 × 89,524.91
  4. Step 4: Simplify right side
    161,139.17x = 19,908,293,105.25
  5. Step 5: Solve for x
    x = 19,908,293,105.25/161,139.17
  6. Step 6: Final answer
    x = 123,547.20

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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.