Home / 195,062.18-292,759.38-76,816.55

Finding the Fourth Proportional to 195,062.18, 292,759.38 and 76,816.55

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Solution

The fourth proportional to 195,062.18, 292,759.38 and 76,816.55 is: 115,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,062.18 : 292,759.38 = 76,816.55 : x
  2. Step 2: Convert to fraction form
    195,062.18/292,759.38 = 76,816.55/x
  3. Step 3: Cross multiply
    195,062.18x = 292,759.38 × 76,816.55
  4. Step 4: Simplify right side
    195,062.18x = 22,488,766,283.64
  5. Step 5: Solve for x
    x = 22,488,766,283.64/195,062.18
  6. Step 6: Final answer
    x = 115,290.25

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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.