Home / 187,566.72-281,377.76-54,429.68

Finding the Fourth Proportional to 187,566.72, 281,377.76 and 54,429.68

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Solution

The fourth proportional to 187,566.72, 281,377.76 and 54,429.68 is: 81,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,566.72 : 281,377.76 = 54,429.68 : x
  2. Step 2: Convert to fraction form
    187,566.72/281,377.76 = 54,429.68/x
  3. Step 3: Cross multiply
    187,566.72x = 281,377.76 × 54,429.68
  4. Step 4: Simplify right side
    187,566.72x = 15,315,301,435.92
  5. Step 5: Solve for x
    x = 15,315,301,435.92/187,566.72
  6. Step 6: Final answer
    x = 81,652.55

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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.