Home / 132,278.11-182,545.13-71,849.94

Finding the Fourth Proportional to 132,278.11, 182,545.13 and 71,849.94

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Solution

The fourth proportional to 132,278.11, 182,545.13 and 71,849.94 is: 99,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,278.11 : 182,545.13 = 71,849.94 : x
  2. Step 2: Convert to fraction form
    132,278.11/182,545.13 = 71,849.94/x
  3. Step 3: Cross multiply
    132,278.11x = 182,545.13 × 71,849.94
  4. Step 4: Simplify right side
    132,278.11x = 13,115,856,637.79
  5. Step 5: Solve for x
    x = 13,115,856,637.79/132,278.11
  6. Step 6: Final answer
    x = 99,153.64

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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.