Home / 135,000.10-202,500.15-132,667.30

Finding the Fourth Proportional to 135,000.10, 202,500.15 and 132,667.30

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Solution

The fourth proportional to 135,000.10, 202,500.15 and 132,667.30 is: 199,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,000.10 : 202,500.15 = 132,667.30 : x
  2. Step 2: Convert to fraction form
    135,000.10/202,500.15 = 132,667.30/x
  3. Step 3: Cross multiply
    135,000.10x = 202,500.15 × 132,667.30
  4. Step 4: Simplify right side
    135,000.10x = 26,865,148,150.10
  5. Step 5: Solve for x
    x = 26,865,148,150.10/135,000.10
  6. Step 6: Final answer
    x = 199,000.95

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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.