Home / 296,794.08-445,187.04-72,153.90

Finding the Fourth Proportional to 296,794.08, 445,187.04 and 72,153.90

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Solution

The fourth proportional to 296,794.08, 445,187.04 and 72,153.90 is: 108,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,794.08 : 445,187.04 = 72,153.90 : x
  2. Step 2: Convert to fraction form
    296,794.08/445,187.04 = 72,153.90/x
  3. Step 3: Cross multiply
    296,794.08x = 445,187.04 × 72,153.90
  4. Step 4: Simplify right side
    296,794.08x = 32,121,981,165.46
  5. Step 5: Solve for x
    x = 32,121,981,165.46/296,794.08
  6. Step 6: Final answer
    x = 108,229.86

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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.