Home / 161,118.32-222,343.17-89,505.01

Finding the Fourth Proportional to 161,118.32, 222,343.17 and 89,505.01

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Solution

The fourth proportional to 161,118.32, 222,343.17 and 89,505.01 is: 123,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,118.32 : 222,343.17 = 89,505.01 : x
  2. Step 2: Convert to fraction form
    161,118.32/222,343.17 = 89,505.01/x
  3. Step 3: Cross multiply
    161,118.32x = 222,343.17 × 89,505.01
  4. Step 4: Simplify right side
    161,118.32x = 19,900,826,542.57
  5. Step 5: Solve for x
    x = 19,900,826,542.57/161,118.32
  6. Step 6: Final answer
    x = 123,516.84

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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.