Home / 187,085.20-258,177.13-102,202.87

Finding the Fourth Proportional to 187,085.20, 258,177.13 and 102,202.87

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Solution

The fourth proportional to 187,085.20, 258,177.13 and 102,202.87 is: 141,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,085.20 : 258,177.13 = 102,202.87 : x
  2. Step 2: Convert to fraction form
    187,085.20/258,177.13 = 102,202.87/x
  3. Step 3: Cross multiply
    187,085.20x = 258,177.13 × 102,202.87
  4. Step 4: Simplify right side
    187,085.20x = 26,386,443,654.36
  5. Step 5: Solve for x
    x = 26,386,443,654.36/187,085.20
  6. Step 6: Final answer
    x = 141,039.72

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1.5x scale

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.