Home / 156,819.72-235,233.90-38,490.60

Finding the Fourth Proportional to 156,819.72, 235,233.90 and 38,490.60

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Solution

The fourth proportional to 156,819.72, 235,233.90 and 38,490.60 is: 57,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,819.72 : 235,233.90 = 38,490.60 : x
  2. Step 2: Convert to fraction form
    156,819.72/235,233.90 = 38,490.60/x
  3. Step 3: Cross multiply
    156,819.72x = 235,233.90 × 38,490.60
  4. Step 4: Simplify right side
    156,819.72x = 9,054,293,951.34
  5. Step 5: Solve for x
    x = 9,054,293,951.34/156,819.72
  6. Step 6: Final answer
    x = 57,736.96

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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.