Home / 187,470.44-281,271.27-54,358.68

Finding the Fourth Proportional to 187,470.44, 281,271.27 and 54,358.68

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Solution

The fourth proportional to 187,470.44, 281,271.27 and 54,358.68 is: 81,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470.44 : 281,271.27 = 54,358.68 : x
  2. Step 2: Convert to fraction form
    187,470.44/281,271.27 = 54,358.68/x
  3. Step 3: Cross multiply
    187,470.44x = 281,271.27 × 54,358.68
  4. Step 4: Simplify right side
    187,470.44x = 15,289,534,959.12
  5. Step 5: Solve for x
    x = 15,289,534,959.12/187,470.44
  6. Step 6: Final answer
    x = 81,557.05

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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.