Home / 161,066.79-222,279.55-89,447.13

Finding the Fourth Proportional to 161,066.79, 222,279.55 and 89,447.13

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Solution

The fourth proportional to 161,066.79, 222,279.55 and 89,447.13 is: 123,441.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,066.79 : 222,279.55 = 89,447.13 : x
  2. Step 2: Convert to fraction form
    161,066.79/222,279.55 = 89,447.13/x
  3. Step 3: Cross multiply
    161,066.79x = 222,279.55 × 89,447.13
  4. Step 4: Simplify right side
    161,066.79x = 19,882,267,805.19
  5. Step 5: Solve for x
    x = 19,882,267,805.19/161,066.79
  6. Step 6: Final answer
    x = 123,441.14

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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.