Home / 187,432.56-258,657.84-102,551.04

Finding the Fourth Proportional to 187,432.56, 258,657.84 and 102,551.04

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Solution

The fourth proportional to 187,432.56, 258,657.84 and 102,551.04 is: 141,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,432.56 : 258,657.84 = 102,551.04 : x
  2. Step 2: Convert to fraction form
    187,432.56/258,657.84 = 102,551.04/x
  3. Step 3: Cross multiply
    187,432.56x = 258,657.84 × 102,551.04
  4. Step 4: Simplify right side
    187,432.56x = 26,525,630,496.15
  5. Step 5: Solve for x
    x = 26,525,630,496.15/187,432.56
  6. Step 6: Final answer
    x = 141,520.93

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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.