Home / 154,512.40-231,768.60-137,599.60

Finding the Fourth Proportional to 154,512.40, 231,768.60 and 137,599.60

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Solution

The fourth proportional to 154,512.40, 231,768.60 and 137,599.60 is: 206,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,512.40 : 231,768.60 = 137,599.60 : x
  2. Step 2: Convert to fraction form
    154,512.40/231,768.60 = 137,599.60/x
  3. Step 3: Cross multiply
    154,512.40x = 231,768.60 × 137,599.60
  4. Step 4: Simplify right side
    154,512.40x = 31,891,266,652.56
  5. Step 5: Solve for x
    x = 31,891,266,652.56/154,512.40
  6. Step 6: Final answer
    x = 206,399.40

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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.