Home / 187,108.10-281,353.35-156,695.30

Finding the Fourth Proportional to 187,108.10, 281,353.35 and 156,695.30

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Solution

The fourth proportional to 187,108.10, 281,353.35 and 156,695.30 is: 235,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,108.10 : 281,353.35 = 156,695.30 : x
  2. Step 2: Convert to fraction form
    187,108.10/281,353.35 = 156,695.30/x
  3. Step 3: Cross multiply
    187,108.10x = 281,353.35 × 156,695.30
  4. Step 4: Simplify right side
    187,108.10x = 44,086,747,584.26
  5. Step 5: Solve for x
    x = 44,086,747,584.26/187,108.10
  6. Step 6: Final answer
    x = 235,621.80

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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.