Home / 156,580.62-234,905.52-66,618.54

Finding the Fourth Proportional to 156,580.62, 234,905.52 and 66,618.54

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Solution

The fourth proportional to 156,580.62, 234,905.52 and 66,618.54 is: 99,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,580.62 : 234,905.52 = 66,618.54 : x
  2. Step 2: Convert to fraction form
    156,580.62/234,905.52 = 66,618.54/x
  3. Step 3: Cross multiply
    156,580.62x = 234,905.52 × 66,618.54
  4. Step 4: Simplify right side
    156,580.62x = 15,649,062,325.10
  5. Step 5: Solve for x
    x = 15,649,062,325.10/156,580.62
  6. Step 6: Final answer
    x = 99,942.52

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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.