Home / 132,377.22-182,707.13-78,651.89

Finding the Fourth Proportional to 132,377.22, 182,707.13 and 78,651.89

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Solution

The fourth proportional to 132,377.22, 182,707.13 and 78,651.89 is: 108,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,377.22 : 182,707.13 = 78,651.89 : x
  2. Step 2: Convert to fraction form
    132,377.22/182,707.13 = 78,651.89/x
  3. Step 3: Cross multiply
    132,377.22x = 182,707.13 × 78,651.89
  4. Step 4: Simplify right side
    132,377.22x = 14,370,260,697.72
  5. Step 5: Solve for x
    x = 14,370,260,697.72/132,377.22
  6. Step 6: Final answer
    x = 108,555.39

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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.