Home / 185,932.41-278,743.17-86,164.09

Finding the Fourth Proportional to 185,932.41, 278,743.17 and 86,164.09

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Solution

The fourth proportional to 185,932.41, 278,743.17 and 86,164.09 is: 129,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,932.41 : 278,743.17 = 86,164.09 : x
  2. Step 2: Convert to fraction form
    185,932.41/278,743.17 = 86,164.09/x
  3. Step 3: Cross multiply
    185,932.41x = 278,743.17 × 86,164.09
  4. Step 4: Simplify right side
    185,932.41x = 24,017,651,586.77
  5. Step 5: Solve for x
    x = 24,017,651,586.77/185,932.41
  6. Step 6: Final answer
    x = 129,174.10

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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.