Home / 132,553.76-182,875.20-78,841.04

Finding the Fourth Proportional to 132,553.76, 182,875.20 and 78,841.04

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Solution

The fourth proportional to 132,553.76, 182,875.20 and 78,841.04 is: 108,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,553.76 : 182,875.20 = 78,841.04 : x
  2. Step 2: Convert to fraction form
    132,553.76/182,875.20 = 78,841.04/x
  3. Step 3: Cross multiply
    132,553.76x = 182,875.20 × 78,841.04
  4. Step 4: Simplify right side
    132,553.76x = 14,418,070,958.21
  5. Step 5: Solve for x
    x = 14,418,070,958.21/132,553.76
  6. Step 6: Final answer
    x = 108,771.50

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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.