Home / 187,686.13-281,544.56-54,566.22

Finding the Fourth Proportional to 187,686.13, 281,544.56 and 54,566.22

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Solution

The fourth proportional to 187,686.13, 281,544.56 and 54,566.22 is: 81,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,686.13 : 281,544.56 = 54,566.22 : x
  2. Step 2: Convert to fraction form
    187,686.13/281,544.56 = 54,566.22/x
  3. Step 3: Cross multiply
    187,686.13x = 281,544.56 × 54,566.22
  4. Step 4: Simplify right side
    187,686.13x = 15,362,822,400.76
  5. Step 5: Solve for x
    x = 15,362,822,400.76/187,686.13
  6. Step 6: Final answer
    x = 81,853.80

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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.