Home / 207,933.20-311,899.80-123,733.70

Finding the Fourth Proportional to 207,933.20, 311,899.80 and 123,733.70

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Solution

The fourth proportional to 207,933.20, 311,899.80 and 123,733.70 is: 185,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,933.20 : 311,899.80 = 123,733.70 : x
  2. Step 2: Convert to fraction form
    207,933.20/311,899.80 = 123,733.70/x
  3. Step 3: Cross multiply
    207,933.20x = 311,899.80 × 123,733.70
  4. Step 4: Simplify right side
    207,933.20x = 38,592,516,283.26
  5. Step 5: Solve for x
    x = 38,592,516,283.26/207,933.20
  6. Step 6: Final answer
    x = 185,600.55

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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.