Home / 156,309.54-234,520.80-61,487.37

Finding the Fourth Proportional to 156,309.54, 234,520.80 and 61,487.37

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Solution

The fourth proportional to 156,309.54, 234,520.80 and 61,487.37 is: 92,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,309.54 : 234,520.80 = 61,487.37 : x
  2. Step 2: Convert to fraction form
    156,309.54/234,520.80 = 61,487.37/x
  3. Step 3: Cross multiply
    156,309.54x = 234,520.80 × 61,487.37
  4. Step 4: Simplify right side
    156,309.54x = 14,420,067,202.30
  5. Step 5: Solve for x
    x = 14,420,067,202.30/156,309.54
  6. Step 6: Final answer
    x = 92,253.28

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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.