Home / 187,656.09-258,965.51-102,773.13

Finding the Fourth Proportional to 187,656.09, 258,965.51 and 102,773.13

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Solution

The fourth proportional to 187,656.09, 258,965.51 and 102,773.13 is: 141,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,656.09 : 258,965.51 = 102,773.13 : x
  2. Step 2: Convert to fraction form
    187,656.09/258,965.51 = 102,773.13/x
  3. Step 3: Cross multiply
    187,656.09x = 258,965.51 × 102,773.13
  4. Step 4: Simplify right side
    187,656.09x = 26,614,695,510.88
  5. Step 5: Solve for x
    x = 26,614,695,510.88/187,656.09
  6. Step 6: Final answer
    x = 141,826.97

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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.