Home / 187,565.58-258,840.51-102,682.64

Finding the Fourth Proportional to 187,565.58, 258,840.51 and 102,682.64

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Solution

The fourth proportional to 187,565.58, 258,840.51 and 102,682.64 is: 141,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,565.58 : 258,840.51 = 102,682.64 : x
  2. Step 2: Convert to fraction form
    187,565.58/258,840.51 = 102,682.64/x
  3. Step 3: Cross multiply
    187,565.58x = 258,840.51 × 102,682.64
  4. Step 4: Simplify right side
    187,565.58x = 26,578,427,937.91
  5. Step 5: Solve for x
    x = 26,578,427,937.91/187,565.58
  6. Step 6: Final answer
    x = 141,702.05

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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.