Home / 187,702.72-281,835.20-162,480.56

Finding the Fourth Proportional to 187,702.72, 281,835.20 and 162,480.56

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Solution

The fourth proportional to 187,702.72, 281,835.20 and 162,480.56 is: 243,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,702.72 : 281,835.20 = 162,480.56 : x
  2. Step 2: Convert to fraction form
    187,702.72/281,835.20 = 162,480.56/x
  3. Step 3: Cross multiply
    187,702.72x = 281,835.20 × 162,480.56
  4. Step 4: Simplify right side
    187,702.72x = 45,792,741,123.71
  5. Step 5: Solve for x
    x = 45,792,741,123.71/187,702.72
  6. Step 6: Final answer
    x = 243,964.19

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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.