Home / 156,640.14-234,958.86-38,310.48

Finding the Fourth Proportional to 156,640.14, 234,958.86 and 38,310.48

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Solution

The fourth proportional to 156,640.14, 234,958.86 and 38,310.48 is: 57,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,640.14 : 234,958.86 = 38,310.48 : x
  2. Step 2: Convert to fraction form
    156,640.14/234,958.86 = 38,310.48/x
  3. Step 3: Cross multiply
    156,640.14x = 234,958.86 × 38,310.48
  4. Step 4: Simplify right side
    156,640.14x = 9,001,386,706.85
  5. Step 5: Solve for x
    x = 9,001,386,706.85/156,640.14
  6. Step 6: Final answer
    x = 57,465.39

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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.