Home / 178,876.69-268,438.05-73,695.66

Finding the Fourth Proportional to 178,876.69, 268,438.05 and 73,695.66

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Solution

The fourth proportional to 178,876.69, 268,438.05 and 73,695.66 is: 110,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,876.69 : 268,438.05 = 73,695.66 : x
  2. Step 2: Convert to fraction form
    178,876.69/268,438.05 = 73,695.66/x
  3. Step 3: Cross multiply
    178,876.69x = 268,438.05 × 73,695.66
  4. Step 4: Simplify right side
    178,876.69x = 19,782,718,257.22
  5. Step 5: Solve for x
    x = 19,782,718,257.22/178,876.69
  6. Step 6: Final answer
    x = 110,594.17

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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.