Home / 179,630.64-268,778.16-112,757.76

Finding the Fourth Proportional to 179,630.64, 268,778.16 and 112,757.76

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Solution

The fourth proportional to 179,630.64, 268,778.16 and 112,757.76 is: 168,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,630.64 : 268,778.16 = 112,757.76 : x
  2. Step 2: Convert to fraction form
    179,630.64/268,778.16 = 112,757.76/x
  3. Step 3: Cross multiply
    179,630.64x = 268,778.16 × 112,757.76
  4. Step 4: Simplify right side
    179,630.64x = 30,306,823,258.52
  5. Step 5: Solve for x
    x = 30,306,823,258.52/179,630.64
  6. Step 6: Final answer
    x = 168,717.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.