Home / 125,562.20-173,286.55-71,124.08

Finding the Fourth Proportional to 125,562.20, 173,286.55 and 71,124.08

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Solution

The fourth proportional to 125,562.20, 173,286.55 and 71,124.08 is: 98,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,562.20 : 173,286.55 = 71,124.08 : x
  2. Step 2: Convert to fraction form
    125,562.20/173,286.55 = 71,124.08/x
  3. Step 3: Cross multiply
    125,562.20x = 173,286.55 × 71,124.08
  4. Step 4: Simplify right side
    125,562.20x = 12,324,846,445.12
  5. Step 5: Solve for x
    x = 12,324,846,445.12/125,562.20
  6. Step 6: Final answer
    x = 98,157.30

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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.