Home / 447,586.40-671,486.18-132,043.61

Finding the Fourth Proportional to 447,586.40, 671,486.18 and 132,043.61

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Solution

The fourth proportional to 447,586.40, 671,486.18 and 132,043.61 is: 198,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,586.40 : 671,486.18 = 132,043.61 : x
  2. Step 2: Convert to fraction form
    447,586.40/671,486.18 = 132,043.61/x
  3. Step 3: Cross multiply
    447,586.40x = 671,486.18 × 132,043.61
  4. Step 4: Simplify right side
    447,586.40x = 88,665,455,254.66
  5. Step 5: Solve for x
    x = 88,665,455,254.66/447,586.40
  6. Step 6: Final answer
    x = 198,096.85

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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.