Home / 124,128.20-185,894.76-67,883.96

Finding the Fourth Proportional to 124,128.20, 185,894.76 and 67,883.96

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Solution

The fourth proportional to 124,128.20, 185,894.76 and 67,883.96 is: 101,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,128.20 : 185,894.76 = 67,883.96 : x
  2. Step 2: Convert to fraction form
    124,128.20/185,894.76 = 67,883.96/x
  3. Step 3: Cross multiply
    124,128.20x = 185,894.76 × 67,883.96
  4. Step 4: Simplify right side
    124,128.20x = 12,619,272,452.05
  5. Step 5: Solve for x
    x = 12,619,272,452.05/124,128.20
  6. Step 6: Final answer
    x = 101,663.22

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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.