Home / 187,562.55-258,836.33-102,679.61

Finding the Fourth Proportional to 187,562.55, 258,836.33 and 102,679.61

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Solution

The fourth proportional to 187,562.55, 258,836.33 and 102,679.61 is: 141,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,562.55 : 258,836.33 = 102,679.61 : x
  2. Step 2: Convert to fraction form
    187,562.55/258,836.33 = 102,679.61/x
  3. Step 3: Cross multiply
    187,562.55x = 258,836.33 × 102,679.61
  4. Step 4: Simplify right side
    187,562.55x = 26,577,212,904.83
  5. Step 5: Solve for x
    x = 26,577,212,904.83/187,562.55
  6. Step 6: Final answer
    x = 141,697.87

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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.