Home / 125,654.64-173,443.88-80,454.32

Finding the Fourth Proportional to 125,654.64, 173,443.88 and 80,454.32

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Solution

The fourth proportional to 125,654.64, 173,443.88 and 80,454.32 is: 111,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,654.64 : 173,443.88 = 80,454.32 : x
  2. Step 2: Convert to fraction form
    125,654.64/173,443.88 = 80,454.32/x
  3. Step 3: Cross multiply
    125,654.64x = 173,443.88 × 80,454.32
  4. Step 4: Simplify right side
    125,654.64x = 13,954,309,423.56
  5. Step 5: Solve for x
    x = 13,954,309,423.56/125,654.64
  6. Step 6: Final answer
    x = 111,052.88

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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.