Home / 187,686.24-281,542.32-54,567.60

Finding the Fourth Proportional to 187,686.24, 281,542.32 and 54,567.60

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Solution

The fourth proportional to 187,686.24, 281,542.32 and 54,567.60 is: 81,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,686.24 : 281,542.32 = 54,567.60 : x
  2. Step 2: Convert to fraction form
    187,686.24/281,542.32 = 54,567.60/x
  3. Step 3: Cross multiply
    187,686.24x = 281,542.32 × 54,567.60
  4. Step 4: Simplify right side
    187,686.24x = 15,363,088,700.83
  5. Step 5: Solve for x
    x = 15,363,088,700.83/187,686.24
  6. Step 6: Final answer
    x = 81,855.17

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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.