Home / 195,103.82-292,521.26-76,788.74

Finding the Fourth Proportional to 195,103.82, 292,521.26 and 76,788.74

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Solution

The fourth proportional to 195,103.82, 292,521.26 and 76,788.74 is: 115,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,103.82 : 292,521.26 = 76,788.74 : x
  2. Step 2: Convert to fraction form
    195,103.82/292,521.26 = 76,788.74/x
  3. Step 3: Cross multiply
    195,103.82x = 292,521.26 × 76,788.74
  4. Step 4: Simplify right side
    195,103.82x = 22,462,337,132.06
  5. Step 5: Solve for x
    x = 22,462,337,132.06/195,103.82
  6. Step 6: Final answer
    x = 115,130.18

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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.