Home / 195,255.95-292,771.82-76,862.70

Finding the Fourth Proportional to 195,255.95, 292,771.82 and 76,862.70

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Solution

The fourth proportional to 195,255.95, 292,771.82 and 76,862.70 is: 115,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,255.95 : 292,771.82 = 76,862.70 : x
  2. Step 2: Convert to fraction form
    195,255.95/292,771.82 = 76,862.70/x
  3. Step 3: Cross multiply
    195,255.95x = 292,771.82 × 76,862.70
  4. Step 4: Simplify right side
    195,255.95x = 22,503,232,184.80
  5. Step 5: Solve for x
    x = 22,503,232,184.80/195,255.95
  6. Step 6: Final answer
    x = 115,249.92

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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.