Home / 131,651.66-197,298.50-55,687.02

Finding the Fourth Proportional to 131,651.66, 197,298.50 and 55,687.02

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Solution

The fourth proportional to 131,651.66, 197,298.50 and 55,687.02 is: 83,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,651.66 : 197,298.50 = 55,687.02 : x
  2. Step 2: Convert to fraction form
    131,651.66/197,298.50 = 55,687.02/x
  3. Step 3: Cross multiply
    131,651.66x = 197,298.50 × 55,687.02
  4. Step 4: Simplify right side
    131,651.66x = 10,986,965,515.47
  5. Step 5: Solve for x
    x = 10,986,965,515.47/131,651.66
  6. Step 6: Final answer
    x = 83,454.82

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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.