Home / 187,515.60-258,773.04-102,633.36

Finding the Fourth Proportional to 187,515.60, 258,773.04 and 102,633.36

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Solution

The fourth proportional to 187,515.60, 258,773.04 and 102,633.36 is: 141,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,515.60 : 258,773.04 = 102,633.36 : x
  2. Step 2: Convert to fraction form
    187,515.60/258,773.04 = 102,633.36/x
  3. Step 3: Cross multiply
    187,515.60x = 258,773.04 × 102,633.36
  4. Step 4: Simplify right side
    187,515.60x = 26,558,746,572.61
  5. Step 5: Solve for x
    x = 26,558,746,572.61/187,515.60
  6. Step 6: Final answer
    x = 141,634.86

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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.