Home / 187,542.18-258,814.29-102,659.25

Finding the Fourth Proportional to 187,542.18, 258,814.29 and 102,659.25

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Solution

The fourth proportional to 187,542.18, 258,814.29 and 102,659.25 is: 141,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,542.18 : 258,814.29 = 102,659.25 : x
  2. Step 2: Convert to fraction form
    187,542.18/258,814.29 = 102,659.25/x
  3. Step 3: Cross multiply
    187,542.18x = 258,814.29 × 102,659.25
  4. Step 4: Simplify right side
    187,542.18x = 26,569,680,900.68
  5. Step 5: Solve for x
    x = 26,569,680,900.68/187,542.18
  6. Step 6: Final answer
    x = 141,673.09

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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.