Home / 178,973.24-268,453.62-45,854.78

Finding the Fourth Proportional to 178,973.24, 268,453.62 and 45,854.78

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Solution

The fourth proportional to 178,973.24, 268,453.62 and 45,854.78 is: 68,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,973.24 : 268,453.62 = 45,854.78 : x
  2. Step 2: Convert to fraction form
    178,973.24/268,453.62 = 45,854.78/x
  3. Step 3: Cross multiply
    178,973.24x = 268,453.62 × 45,854.78
  4. Step 4: Simplify right side
    178,973.24x = 12,309,880,343.04
  5. Step 5: Solve for x
    x = 12,309,880,343.04/178,973.24
  6. Step 6: Final answer
    x = 68,780.57

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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.