Home / 129,327.19-178,553.54-88,559.57

Finding the Fourth Proportional to 129,327.19, 178,553.54 and 88,559.57

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Solution

The fourth proportional to 129,327.19, 178,553.54 and 88,559.57 is: 122,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,327.19 : 178,553.54 = 88,559.57 : x
  2. Step 2: Convert to fraction form
    129,327.19/178,553.54 = 88,559.57/x
  3. Step 3: Cross multiply
    129,327.19x = 178,553.54 × 88,559.57
  4. Step 4: Simplify right side
    129,327.19x = 15,812,624,724.38
  5. Step 5: Solve for x
    x = 15,812,624,724.38/129,327.19
  6. Step 6: Final answer
    x = 122,268.37

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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.