Home / 187,115.16-258,236.46-102,244.80

Finding the Fourth Proportional to 187,115.16, 258,236.46 and 102,244.80

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Solution

The fourth proportional to 187,115.16, 258,236.46 and 102,244.80 is: 141,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,115.16 : 258,236.46 = 102,244.80 : x
  2. Step 2: Convert to fraction form
    187,115.16/258,236.46 = 102,244.80/x
  3. Step 3: Cross multiply
    187,115.16x = 258,236.46 × 102,244.80
  4. Step 4: Simplify right side
    187,115.16x = 26,403,335,205.41
  5. Step 5: Solve for x
    x = 26,403,335,205.41/187,115.16
  6. Step 6: Final answer
    x = 141,107.41

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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.