Home / 178,856.20-268,802.70-156,046.60

Finding the Fourth Proportional to 178,856.20, 268,802.70 and 156,046.60

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Solution

The fourth proportional to 178,856.20, 268,802.70 and 156,046.60 is: 234,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,856.20 : 268,802.70 = 156,046.60 : x
  2. Step 2: Convert to fraction form
    178,856.20/268,802.70 = 156,046.60/x
  3. Step 3: Cross multiply
    178,856.20x = 268,802.70 × 156,046.60
  4. Step 4: Simplify right side
    178,856.20x = 41,945,747,405.82
  5. Step 5: Solve for x
    x = 41,945,747,405.82/178,856.20
  6. Step 6: Final answer
    x = 234,522.19

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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.