Home / 187,470.16-281,231.96-69,132.32

Finding the Fourth Proportional to 187,470.16, 281,231.96 and 69,132.32

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Solution

The fourth proportional to 187,470.16, 281,231.96 and 69,132.32 is: 103,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470.16 : 281,231.96 = 69,132.32 : x
  2. Step 2: Convert to fraction form
    187,470.16/281,231.96 = 69,132.32/x
  3. Step 3: Cross multiply
    187,470.16x = 281,231.96 × 69,132.32
  4. Step 4: Simplify right side
    187,470.16x = 19,442,217,852.95
  5. Step 5: Solve for x
    x = 19,442,217,852.95/187,470.16
  6. Step 6: Final answer
    x = 103,708.33

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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.