Home / 132,278.03-182,545.15-77,842.23

Finding the Fourth Proportional to 132,278.03, 182,545.15 and 77,842.23

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Solution

The fourth proportional to 132,278.03, 182,545.15 and 77,842.23 is: 107,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,278.03 : 182,545.15 = 77,842.23 : x
  2. Step 2: Convert to fraction form
    132,278.03/182,545.15 = 77,842.23/x
  3. Step 3: Cross multiply
    132,278.03x = 182,545.15 × 77,842.23
  4. Step 4: Simplify right side
    132,278.03x = 14,209,720,638.96
  5. Step 5: Solve for x
    x = 14,209,720,638.96/132,278.03
  6. Step 6: Final answer
    x = 107,423.14

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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.