Home / 132,562.20-182,934.40-78,846.04

Finding the Fourth Proportional to 132,562.20, 182,934.40 and 78,846.04

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Solution

The fourth proportional to 132,562.20, 182,934.40 and 78,846.04 is: 108,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,562.20 : 182,934.40 = 78,846.04 : x
  2. Step 2: Convert to fraction form
    132,562.20/182,934.40 = 78,846.04/x
  3. Step 3: Cross multiply
    132,562.20x = 182,934.40 × 78,846.04
  4. Step 4: Simplify right side
    132,562.20x = 14,423,653,019.78
  5. Step 5: Solve for x
    x = 14,423,653,019.78/132,562.20
  6. Step 6: Final answer
    x = 108,806.68

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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.