Home / 187,233.10-280,849.65-54,117.70

Finding the Fourth Proportional to 187,233.10, 280,849.65 and 54,117.70

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Solution

The fourth proportional to 187,233.10, 280,849.65 and 54,117.70 is: 81,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,233.10 : 280,849.65 = 54,117.70 : x
  2. Step 2: Convert to fraction form
    187,233.10/280,849.65 = 54,117.70/x
  3. Step 3: Cross multiply
    187,233.10x = 280,849.65 × 54,117.70
  4. Step 4: Simplify right side
    187,233.10x = 15,198,937,103.81
  5. Step 5: Solve for x
    x = 15,198,937,103.81/187,233.10
  6. Step 6: Final answer
    x = 81,176.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.