Home / 445,045.64-667,561.16-108,089.04

Finding the Fourth Proportional to 445,045.64, 667,561.16 and 108,089.04

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Solution

The fourth proportional to 445,045.64, 667,561.16 and 108,089.04 is: 162,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,045.64 : 667,561.16 = 108,089.04 : x
  2. Step 2: Convert to fraction form
    445,045.64/667,561.16 = 108,089.04/x
  3. Step 3: Cross multiply
    445,045.64x = 667,561.16 × 108,089.04
  4. Step 4: Simplify right side
    445,045.64x = 72,156,044,925.69
  5. Step 5: Solve for x
    x = 72,156,044,925.69/445,045.64
  6. Step 6: Final answer
    x = 162,131.79

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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.