Home / 187,785.22-281,488.29-117,713.74

Finding the Fourth Proportional to 187,785.22, 281,488.29 and 117,713.74

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Solution

The fourth proportional to 187,785.22, 281,488.29 and 117,713.74 is: 176,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,785.22 : 281,488.29 = 117,713.74 : x
  2. Step 2: Convert to fraction form
    187,785.22/281,488.29 = 117,713.74/x
  3. Step 3: Cross multiply
    187,785.22x = 281,488.29 × 117,713.74
  4. Step 4: Simplify right side
    187,785.22x = 33,135,039,382.10
  5. Step 5: Solve for x
    x = 33,135,039,382.10/187,785.22
  6. Step 6: Final answer
    x = 176,451.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.