Home / 436,168.03-654,251.23-136,671.55

Finding the Fourth Proportional to 436,168.03, 654,251.23 and 136,671.55

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Solution

The fourth proportional to 436,168.03, 654,251.23 and 136,671.55 is: 205,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,168.03 : 654,251.23 = 136,671.55 : x
  2. Step 2: Convert to fraction form
    436,168.03/654,251.23 = 136,671.55/x
  3. Step 3: Cross multiply
    436,168.03x = 654,251.23 × 136,671.55
  4. Step 4: Simplify right side
    436,168.03x = 89,417,527,716.20
  5. Step 5: Solve for x
    x = 89,417,527,716.20/436,168.03
  6. Step 6: Final answer
    x = 205,007.07

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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.