Home / 456,164.20-684,311.10-140,588.20

Finding the Fourth Proportional to 456,164.20, 684,311.10 and 140,588.20

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Solution

The fourth proportional to 456,164.20, 684,311.10 and 140,588.20 is: 210,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,164.20 : 684,311.10 = 140,588.20 : x
  2. Step 2: Convert to fraction form
    456,164.20/684,311.10 = 140,588.20/x
  3. Step 3: Cross multiply
    456,164.20x = 684,311.10 × 140,588.20
  4. Step 4: Simplify right side
    456,164.20x = 96,206,065,789.02
  5. Step 5: Solve for x
    x = 96,206,065,789.02/456,164.20
  6. Step 6: Final answer
    x = 210,902.27

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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.