Home / 179,103.28-268,645.20-54,434.56

Finding the Fourth Proportional to 179,103.28, 268,645.20 and 54,434.56

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Solution

The fourth proportional to 179,103.28, 268,645.20 and 54,434.56 is: 81,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,103.28 : 268,645.20 = 54,434.56 : x
  2. Step 2: Convert to fraction form
    179,103.28/268,645.20 = 54,434.56/x
  3. Step 3: Cross multiply
    179,103.28x = 268,645.20 × 54,434.56
  4. Step 4: Simplify right side
    179,103.28x = 14,623,584,065.81
  5. Step 5: Solve for x
    x = 14,623,584,065.81/179,103.28
  6. Step 6: Final answer
    x = 81,648.89

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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.