Home / 195,103.32-292,520.51-76,788.24

Finding the Fourth Proportional to 195,103.32, 292,520.51 and 76,788.24

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Solution

The fourth proportional to 195,103.32, 292,520.51 and 76,788.24 is: 115,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,103.32 : 292,520.51 = 76,788.24 : x
  2. Step 2: Convert to fraction form
    195,103.32/292,520.51 = 76,788.24/x
  3. Step 3: Cross multiply
    195,103.32x = 292,520.51 × 76,788.24
  4. Step 4: Simplify right side
    195,103.32x = 22,462,134,742.86
  5. Step 5: Solve for x
    x = 22,462,134,742.86/195,103.32
  6. Step 6: Final answer
    x = 115,129.43

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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.