Home / 447,177.80-670,535.88-131,593.76

Finding the Fourth Proportional to 447,177.80, 670,535.88 and 131,593.76

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Solution

The fourth proportional to 447,177.80, 670,535.88 and 131,593.76 is: 197,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,177.80 : 670,535.88 = 131,593.76 : x
  2. Step 2: Convert to fraction form
    447,177.80/670,535.88 = 131,593.76/x
  3. Step 3: Cross multiply
    447,177.80x = 670,535.88 × 131,593.76
  4. Step 4: Simplify right side
    447,177.80x = 88,238,337,664.11
  5. Step 5: Solve for x
    x = 88,238,337,664.11/447,177.80
  6. Step 6: Final answer
    x = 197,322.72

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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.