Home / 441,316.20-661,980.78-108,892.20

Finding the Fourth Proportional to 441,316.20, 661,980.78 and 108,892.20

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Solution

The fourth proportional to 441,316.20, 661,980.78 and 108,892.20 is: 163,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,316.20 : 661,980.78 = 108,892.20 : x
  2. Step 2: Convert to fraction form
    441,316.20/661,980.78 = 108,892.20/x
  3. Step 3: Cross multiply
    441,316.20x = 661,980.78 × 108,892.20
  4. Step 4: Simplify right side
    441,316.20x = 72,084,543,491.92
  5. Step 5: Solve for x
    x = 72,084,543,491.92/441,316.20
  6. Step 6: Final answer
    x = 163,339.90

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Similar ratio
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1.5x scale

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.