Home / 330,738.68-496,106.17-120,376.61

Finding the Fourth Proportional to 330,738.68, 496,106.17 and 120,376.61

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Solution

The fourth proportional to 330,738.68, 496,106.17 and 120,376.61 is: 180,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,738.68 : 496,106.17 = 120,376.61 : x
  2. Step 2: Convert to fraction form
    330,738.68/496,106.17 = 120,376.61/x
  3. Step 3: Cross multiply
    330,738.68x = 496,106.17 × 120,376.61
  4. Step 4: Simplify right side
    330,738.68x = 59,719,580,814.21
  5. Step 5: Solve for x
    x = 59,719,580,814.21/330,738.68
  6. Step 6: Final answer
    x = 180,564.25

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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.