Home / 135,540.26-203,434.27-69,026.30

Finding the Fourth Proportional to 135,540.26, 203,434.27 and 69,026.30

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Solution

The fourth proportional to 135,540.26, 203,434.27 and 69,026.30 is: 103,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,540.26 : 203,434.27 = 69,026.30 : x
  2. Step 2: Convert to fraction form
    135,540.26/203,434.27 = 69,026.30/x
  3. Step 3: Cross multiply
    135,540.26x = 203,434.27 × 69,026.30
  4. Step 4: Simplify right side
    135,540.26x = 14,042,313,761.56
  5. Step 5: Solve for x
    x = 14,042,313,761.56/135,540.26
  6. Step 6: Final answer
    x = 103,602.53

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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.