Home / 195,103.08-292,596.90-82,781.88

Finding the Fourth Proportional to 195,103.08, 292,596.90 and 82,781.88

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Solution

The fourth proportional to 195,103.08, 292,596.90 and 82,781.88 is: 124,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,103.08 : 292,596.90 = 82,781.88 : x
  2. Step 2: Convert to fraction form
    195,103.08/292,596.90 = 82,781.88/x
  3. Step 3: Cross multiply
    195,103.08x = 292,596.90 × 82,781.88
  4. Step 4: Simplify right side
    195,103.08x = 24,221,721,464.17
  5. Step 5: Solve for x
    x = 24,221,721,464.17/195,103.08
  6. Step 6: Final answer
    x = 124,148.33

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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.