Home / 187,869.38-259,260.35-101,829.76

Finding the Fourth Proportional to 187,869.38, 259,260.35 and 101,829.76

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Solution

The fourth proportional to 187,869.38, 259,260.35 and 101,829.76 is: 140,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,869.38 : 259,260.35 = 101,829.76 : x
  2. Step 2: Convert to fraction form
    187,869.38/259,260.35 = 101,829.76/x
  3. Step 3: Cross multiply
    187,869.38x = 259,260.35 × 101,829.76
  4. Step 4: Simplify right side
    187,869.38x = 26,400,418,060.72
  5. Step 5: Solve for x
    x = 26,400,418,060.72/187,869.38
  6. Step 6: Final answer
    x = 140,525.39

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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.