Home / 178,834.60-268,154.70-73,664.20

Finding the Fourth Proportional to 178,834.60, 268,154.70 and 73,664.20

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Solution

The fourth proportional to 178,834.60, 268,154.70 and 73,664.20 is: 110,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,834.60 : 268,154.70 = 73,664.20 : x
  2. Step 2: Convert to fraction form
    178,834.60/268,154.70 = 73,664.20/x
  3. Step 3: Cross multiply
    178,834.60x = 268,154.70 × 73,664.20
  4. Step 4: Simplify right side
    178,834.60x = 19,753,401,451.74
  5. Step 5: Solve for x
    x = 19,753,401,451.74/178,834.60
  6. Step 6: Final answer
    x = 110,456.26

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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.