Home / 195,149.46-292,822.56-76,905.66

Finding the Fourth Proportional to 195,149.46, 292,822.56 and 76,905.66

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Solution

The fourth proportional to 195,149.46, 292,822.56 and 76,905.66 is: 115,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,149.46 : 292,822.56 = 76,905.66 : x
  2. Step 2: Convert to fraction form
    195,149.46/292,822.56 = 76,905.66/x
  3. Step 3: Cross multiply
    195,149.46x = 292,822.56 × 76,905.66
  4. Step 4: Simplify right side
    195,149.46x = 22,519,712,239.69
  5. Step 5: Solve for x
    x = 22,519,712,239.69/195,149.46
  6. Step 6: Final answer
    x = 115,397.26

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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.