Home / 132,545.89-182,913.33-72,116.56

Finding the Fourth Proportional to 132,545.89, 182,913.33 and 72,116.56

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Solution

The fourth proportional to 132,545.89, 182,913.33 and 72,116.56 is: 99,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,545.89 : 182,913.33 = 72,116.56 : x
  2. Step 2: Convert to fraction form
    132,545.89/182,913.33 = 72,116.56/x
  3. Step 3: Cross multiply
    132,545.89x = 182,913.33 × 72,116.56
  4. Step 4: Simplify right side
    132,545.89x = 13,191,080,137.74
  5. Step 5: Solve for x
    x = 13,191,080,137.74/132,545.89
  6. Step 6: Final answer
    x = 99,520.85

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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.