Home / 514,314.20-771,471.30-140,337.20

Finding the Fourth Proportional to 514,314.20, 771,471.30 and 140,337.20

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Solution

The fourth proportional to 514,314.20, 771,471.30 and 140,337.20 is: 210,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,314.20 : 771,471.30 = 140,337.20 : x
  2. Step 2: Convert to fraction form
    514,314.20/771,471.30 = 140,337.20/x
  3. Step 3: Cross multiply
    514,314.20x = 771,471.30 × 140,337.20
  4. Step 4: Simplify right side
    514,314.20x = 108,266,122,122.36
  5. Step 5: Solve for x
    x = 108,266,122,122.36/514,314.20
  6. Step 6: Final answer
    x = 210,505.80

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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.