Home / 168,000.20-252,000.30-136,507.40

Finding the Fourth Proportional to 168,000.20, 252,000.30 and 136,507.40

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Solution

The fourth proportional to 168,000.20, 252,000.30 and 136,507.40 is: 204,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.20 : 252,000.30 = 136,507.40 : x
  2. Step 2: Convert to fraction form
    168,000.20/252,000.30 = 136,507.40/x
  3. Step 3: Cross multiply
    168,000.20x = 252,000.30 × 136,507.40
  4. Step 4: Simplify right side
    168,000.20x = 34,399,905,752.22
  5. Step 5: Solve for x
    x = 34,399,905,752.22/168,000.20
  6. Step 6: Final answer
    x = 204,761.10

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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.