Home / 447,928.18-672,168.38-181,691.00

Finding the Fourth Proportional to 447,928.18, 672,168.38 and 181,691.00

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Solution

The fourth proportional to 447,928.18, 672,168.38 and 181,691.00 is: 272,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,928.18 : 672,168.38 = 181,691.00 : x
  2. Step 2: Convert to fraction form
    447,928.18/672,168.38 = 181,691.00/x
  3. Step 3: Cross multiply
    447,928.18x = 672,168.38 × 181,691.00
  4. Step 4: Simplify right side
    447,928.18x = 122,126,943,381.92
  5. Step 5: Solve for x
    x = 122,126,943,381.92/447,928.18
  6. Step 6: Final answer
    x = 272,648.49

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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.