Home / 156,388.19-234,956.18-100,338.39

Finding the Fourth Proportional to 156,388.19, 234,956.18 and 100,338.39

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Solution

The fourth proportional to 156,388.19, 234,956.18 and 100,338.39 is: 150,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,388.19 : 234,956.18 = 100,338.39 : x
  2. Step 2: Convert to fraction form
    156,388.19/234,956.18 = 100,338.39/x
  3. Step 3: Cross multiply
    156,388.19x = 234,956.18 × 100,338.39
  4. Step 4: Simplify right side
    156,388.19x = 23,575,125,072.60
  5. Step 5: Solve for x
    x = 23,575,125,072.60/156,388.19
  6. Step 6: Final answer
    x = 150,747.48

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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.