Home / 447,178.80-670,537.38-131,594.76

Finding the Fourth Proportional to 447,178.80, 670,537.38 and 131,594.76

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Solution

The fourth proportional to 447,178.80, 670,537.38 and 131,594.76 is: 197,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,178.80 : 670,537.38 = 131,594.76 : x
  2. Step 2: Convert to fraction form
    447,178.80/670,537.38 = 131,594.76/x
  3. Step 3: Cross multiply
    447,178.80x = 670,537.38 × 131,594.76
  4. Step 4: Simplify right side
    447,178.80x = 88,239,205,592.13
  5. Step 5: Solve for x
    x = 88,239,205,592.13/447,178.80
  6. Step 6: Final answer
    x = 197,324.21

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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.