Home / 132,308.20-182,581.86-78,593.32

Finding the Fourth Proportional to 132,308.20, 182,581.86 and 78,593.32

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Solution

The fourth proportional to 132,308.20, 182,581.86 and 78,593.32 is: 108,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,308.20 : 182,581.86 = 78,593.32 : x
  2. Step 2: Convert to fraction form
    132,308.20/182,581.86 = 78,593.32/x
  3. Step 3: Cross multiply
    132,308.20x = 182,581.86 × 78,593.32
  4. Step 4: Simplify right side
    132,308.20x = 14,349,714,549.18
  5. Step 5: Solve for x
    x = 14,349,714,549.18/132,308.20
  6. Step 6: Final answer
    x = 108,456.73

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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.