Home / 187,585.26-258,857.31-102,685.86

Finding the Fourth Proportional to 187,585.26, 258,857.31 and 102,685.86

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Solution

The fourth proportional to 187,585.26, 258,857.31 and 102,685.86 is: 141,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,585.26 : 258,857.31 = 102,685.86 : x
  2. Step 2: Convert to fraction form
    187,585.26/258,857.31 = 102,685.86/x
  3. Step 3: Cross multiply
    187,585.26x = 258,857.31 × 102,685.86
  4. Step 4: Simplify right side
    187,585.26x = 26,580,985,494.64
  5. Step 5: Solve for x
    x = 26,580,985,494.64/187,585.26
  6. Step 6: Final answer
    x = 141,700.82

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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.