Home / 447,500.40-671,249.80-132,178.74

Finding the Fourth Proportional to 447,500.40, 671,249.80 and 132,178.74

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Solution

The fourth proportional to 447,500.40, 671,249.80 and 132,178.74 is: 198,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,500.40 : 671,249.80 = 132,178.74 : x
  2. Step 2: Convert to fraction form
    447,500.40/671,249.80 = 132,178.74/x
  3. Step 3: Cross multiply
    447,500.40x = 671,249.80 × 132,178.74
  4. Step 4: Simplify right side
    447,500.40x = 88,724,952,789.25
  5. Step 5: Solve for x
    x = 88,724,952,789.25/447,500.40
  6. Step 6: Final answer
    x = 198,267.87

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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.