Home / 187,414.10-258,649.26-102,543.92

Finding the Fourth Proportional to 187,414.10, 258,649.26 and 102,543.92

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Solution

The fourth proportional to 187,414.10, 258,649.26 and 102,543.92 is: 141,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,414.10 : 258,649.26 = 102,543.92 : x
  2. Step 2: Convert to fraction form
    187,414.10/258,649.26 = 102,543.92/x
  3. Step 3: Cross multiply
    187,414.10x = 258,649.26 × 102,543.92
  4. Step 4: Simplify right side
    187,414.10x = 26,522,909,025.50
  5. Step 5: Solve for x
    x = 26,522,909,025.50/187,414.10
  6. Step 6: Final answer
    x = 141,520.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.