Home / 156,223.39-234,708.92-100,173.31

Finding the Fourth Proportional to 156,223.39, 234,708.92 and 100,173.31

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Solution

The fourth proportional to 156,223.39, 234,708.92 and 100,173.31 is: 150,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,223.39 : 234,708.92 = 100,173.31 : x
  2. Step 2: Convert to fraction form
    156,223.39/234,708.92 = 100,173.31/x
  3. Step 3: Cross multiply
    156,223.39x = 234,708.92 × 100,173.31
  4. Step 4: Simplify right side
    156,223.39x = 23,511,569,066.59
  5. Step 5: Solve for x
    x = 23,511,569,066.59/156,223.39
  6. Step 6: Final answer
    x = 150,499.68

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1.5x scale

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.