Home / 179,178.74-268,806.99-54,516.50

Finding the Fourth Proportional to 179,178.74, 268,806.99 and 54,516.50

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Solution

The fourth proportional to 179,178.74, 268,806.99 and 54,516.50 is: 81,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,178.74 : 268,806.99 = 54,516.50 : x
  2. Step 2: Convert to fraction form
    179,178.74/268,806.99 = 54,516.50/x
  3. Step 3: Cross multiply
    179,178.74x = 268,806.99 × 54,516.50
  4. Step 4: Simplify right side
    179,178.74x = 14,654,416,270.34
  5. Step 5: Solve for x
    x = 14,654,416,270.34/179,178.74
  6. Step 6: Final answer
    x = 81,786.58

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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.