Home / 156,402.67-234,225.16-108,236.31

Finding the Fourth Proportional to 156,402.67, 234,225.16 and 108,236.31

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Solution

The fourth proportional to 156,402.67, 234,225.16 and 108,236.31 is: 162,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,402.67 : 234,225.16 = 108,236.31 : x
  2. Step 2: Convert to fraction form
    156,402.67/234,225.16 = 108,236.31/x
  3. Step 3: Cross multiply
    156,402.67x = 234,225.16 × 108,236.31
  4. Step 4: Simplify right side
    156,402.67x = 25,351,666,756.97
  5. Step 5: Solve for x
    x = 25,351,666,756.97/156,402.67
  6. Step 6: Final answer
    x = 162,092.29

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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.