Home / 131,908.24-197,859.12-38,414.80

Finding the Fourth Proportional to 131,908.24, 197,859.12 and 38,414.80

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Solution

The fourth proportional to 131,908.24, 197,859.12 and 38,414.80 is: 57,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,908.24 : 197,859.12 = 38,414.80 : x
  2. Step 2: Convert to fraction form
    131,908.24/197,859.12 = 38,414.80/x
  3. Step 3: Cross multiply
    131,908.24x = 197,859.12 × 38,414.80
  4. Step 4: Simplify right side
    131,908.24x = 7,600,718,522.98
  5. Step 5: Solve for x
    x = 7,600,718,522.98/131,908.24
  6. Step 6: Final answer
    x = 57,621.26

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1.5x scale

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.