Home / 187,557.40-281,291.94-54,402.52

Finding the Fourth Proportional to 187,557.40, 281,291.94 and 54,402.52

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Solution

The fourth proportional to 187,557.40, 281,291.94 and 54,402.52 is: 81,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,557.40 : 281,291.94 = 54,402.52 : x
  2. Step 2: Convert to fraction form
    187,557.40/281,291.94 = 54,402.52/x
  3. Step 3: Cross multiply
    187,557.40x = 281,291.94 × 54,402.52
  4. Step 4: Simplify right side
    187,557.40x = 15,302,990,391.69
  5. Step 5: Solve for x
    x = 15,302,990,391.69/187,557.40
  6. Step 6: Final answer
    x = 81,590.97

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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.