Home / 125,463.20-173,138.44-68,103.64

Finding the Fourth Proportional to 125,463.20, 173,138.44 and 68,103.64

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Solution

The fourth proportional to 125,463.20, 173,138.44 and 68,103.64 is: 93,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,463.20 : 173,138.44 = 68,103.64 : x
  2. Step 2: Convert to fraction form
    125,463.20/173,138.44 = 68,103.64/x
  3. Step 3: Cross multiply
    125,463.20x = 173,138.44 × 68,103.64
  4. Step 4: Simplify right side
    125,463.20x = 11,791,357,987.92
  5. Step 5: Solve for x
    x = 11,791,357,987.92/125,463.20
  6. Step 6: Final answer
    x = 93,982.60

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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.