Home / 322,382.17-483,543.60-109,125.70

Finding the Fourth Proportional to 322,382.17, 483,543.60 and 109,125.70

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Solution

The fourth proportional to 322,382.17, 483,543.60 and 109,125.70 is: 163,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,382.17 : 483,543.60 = 109,125.70 : x
  2. Step 2: Convert to fraction form
    322,382.17/483,543.60 = 109,125.70/x
  3. Step 3: Cross multiply
    322,382.17x = 483,543.60 × 109,125.70
  4. Step 4: Simplify right side
    322,382.17x = 52,767,033,830.52
  5. Step 5: Solve for x
    x = 52,767,033,830.52/322,382.17
  6. Step 6: Final answer
    x = 163,678.51

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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.