Home / 132,340.75-182,630.24-72,724.75

Finding the Fourth Proportional to 132,340.75, 182,630.24 and 72,724.75

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Solution

The fourth proportional to 132,340.75, 182,630.24 and 72,724.75 is: 100,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,340.75 : 182,630.24 = 72,724.75 : x
  2. Step 2: Convert to fraction form
    132,340.75/182,630.24 = 72,724.75/x
  3. Step 3: Cross multiply
    132,340.75x = 182,630.24 × 72,724.75
  4. Step 4: Simplify right side
    132,340.75x = 13,281,738,546.44
  5. Step 5: Solve for x
    x = 13,281,738,546.44/132,340.75
  6. Step 6: Final answer
    x = 100,360.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.