Home / 104,781.76-157,198.24-52,204.48

Finding the Fourth Proportional to 104,781.76, 157,198.24 and 52,204.48

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Solution

The fourth proportional to 104,781.76, 157,198.24 and 52,204.48 is: 78,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781.76 : 157,198.24 = 52,204.48 : x
  2. Step 2: Convert to fraction form
    104,781.76/157,198.24 = 52,204.48/x
  3. Step 3: Cross multiply
    104,781.76x = 157,198.24 × 52,204.48
  4. Step 4: Simplify right side
    104,781.76x = 8,206,452,376.12
  5. Step 5: Solve for x
    x = 8,206,452,376.12/104,781.76
  6. Step 6: Final answer
    x = 78,319.47

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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.