Home / 185,655.90-278,593.20-122,658.15

Finding the Fourth Proportional to 185,655.90, 278,593.20 and 122,658.15

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Solution

The fourth proportional to 185,655.90, 278,593.20 and 122,658.15 is: 184,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,655.90 : 278,593.20 = 122,658.15 : x
  2. Step 2: Convert to fraction form
    185,655.90/278,593.20 = 122,658.15/x
  3. Step 3: Cross multiply
    185,655.90x = 278,593.20 × 122,658.15
  4. Step 4: Simplify right side
    185,655.90x = 34,171,726,514.58
  5. Step 5: Solve for x
    x = 34,171,726,514.58/185,655.90
  6. Step 6: Final answer
    x = 184,059.47

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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.