Home / 161,119.26-222,344.19-89,499.06

Finding the Fourth Proportional to 161,119.26, 222,344.19 and 89,499.06

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Solution

The fourth proportional to 161,119.26, 222,344.19 and 89,499.06 is: 123,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,119.26 : 222,344.19 = 89,499.06 : x
  2. Step 2: Convert to fraction form
    161,119.26/222,344.19 = 89,499.06/x
  3. Step 3: Cross multiply
    161,119.26x = 222,344.19 × 89,499.06
  4. Step 4: Simplify right side
    161,119.26x = 19,899,596,001.46
  5. Step 5: Solve for x
    x = 19,899,596,001.46/161,119.26
  6. Step 6: Final answer
    x = 123,508.49

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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.