Home / 187,785.14-281,723.87-54,666.55

Finding the Fourth Proportional to 187,785.14, 281,723.87 and 54,666.55

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Solution

The fourth proportional to 187,785.14, 281,723.87 and 54,666.55 is: 82,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,785.14 : 281,723.87 = 54,666.55 : x
  2. Step 2: Convert to fraction form
    187,785.14/281,723.87 = 54,666.55/x
  3. Step 3: Cross multiply
    187,785.14x = 281,723.87 × 54,666.55
  4. Step 4: Simplify right side
    187,785.14x = 15,400,870,929.67
  5. Step 5: Solve for x
    x = 15,400,870,929.67/187,785.14
  6. Step 6: Final answer
    x = 82,013.26

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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.