Home / 195,131.40-292,356.90-89,734.20

Finding the Fourth Proportional to 195,131.40, 292,356.90 and 89,734.20

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Solution

The fourth proportional to 195,131.40, 292,356.90 and 89,734.20 is: 134,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,131.40 : 292,356.90 = 89,734.20 : x
  2. Step 2: Convert to fraction form
    195,131.40/292,356.90 = 89,734.20/x
  3. Step 3: Cross multiply
    195,131.40x = 292,356.90 × 89,734.20
  4. Step 4: Simplify right side
    195,131.40x = 26,234,412,535.98
  5. Step 5: Solve for x
    x = 26,234,412,535.98/195,131.40
  6. Step 6: Final answer
    x = 134,444.85

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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.