Home / 168,397.20-252,012.60-154,400.40

Finding the Fourth Proportional to 168,397.20, 252,012.60 and 154,400.40

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Solution

The fourth proportional to 168,397.20, 252,012.60 and 154,400.40 is: 231,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,397.20 : 252,012.60 = 154,400.40 : x
  2. Step 2: Convert to fraction form
    168,397.20/252,012.60 = 154,400.40/x
  3. Step 3: Cross multiply
    168,397.20x = 252,012.60 × 154,400.40
  4. Step 4: Simplify right side
    168,397.20x = 38,910,846,245.04
  5. Step 5: Solve for x
    x = 38,910,846,245.04/168,397.20
  6. Step 6: Final answer
    x = 231,065.87

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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.