Home / 132,442.75-182,765.05-75,081.25

Finding the Fourth Proportional to 132,442.75, 182,765.05 and 75,081.25

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Solution

The fourth proportional to 132,442.75, 182,765.05 and 75,081.25 is: 103,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,442.75 : 182,765.05 = 75,081.25 : x
  2. Step 2: Convert to fraction form
    132,442.75/182,765.05 = 75,081.25/x
  3. Step 3: Cross multiply
    132,442.75x = 182,765.05 × 75,081.25
  4. Step 4: Simplify right side
    132,442.75x = 13,722,228,410.31
  5. Step 5: Solve for x
    x = 13,722,228,410.31/132,442.75
  6. Step 6: Final answer
    x = 103,608.75

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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.