Home / 132,572.68-182,954.18-72,147.24

Finding the Fourth Proportional to 132,572.68, 182,954.18 and 72,147.24

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Solution

The fourth proportional to 132,572.68, 182,954.18 and 72,147.24 is: 99,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,572.68 : 182,954.18 = 72,147.24 : x
  2. Step 2: Convert to fraction form
    132,572.68/182,954.18 = 72,147.24/x
  3. Step 3: Cross multiply
    132,572.68x = 182,954.18 × 72,147.24
  4. Step 4: Simplify right side
    132,572.68x = 13,199,639,313.83
  5. Step 5: Solve for x
    x = 13,199,639,313.83/132,572.68
  6. Step 6: Final answer
    x = 99,565.31

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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.