Home / 447,610.08-671,245.20-148,000.80

Finding the Fourth Proportional to 447,610.08, 671,245.20 and 148,000.80

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Solution

The fourth proportional to 447,610.08, 671,245.20 and 148,000.80 is: 221,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,610.08 : 671,245.20 = 148,000.80 : x
  2. Step 2: Convert to fraction form
    447,610.08/671,245.20 = 148,000.80/x
  3. Step 3: Cross multiply
    447,610.08x = 671,245.20 × 148,000.80
  4. Step 4: Simplify right side
    447,610.08x = 99,344,826,596.16
  5. Step 5: Solve for x
    x = 99,344,826,596.16/447,610.08
  6. Step 6: Final answer
    x = 221,945.02

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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.