Home / 231,826.40-347,637.20-107,205.60

Finding the Fourth Proportional to 231,826.40, 347,637.20 and 107,205.60

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Solution

The fourth proportional to 231,826.40, 347,637.20 and 107,205.60 is: 160,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,826.40 : 347,637.20 = 107,205.60 : x
  2. Step 2: Convert to fraction form
    231,826.40/347,637.20 = 107,205.60/x
  3. Step 3: Cross multiply
    231,826.40x = 347,637.20 × 107,205.60
  4. Step 4: Simplify right side
    231,826.40x = 37,268,654,608.32
  5. Step 5: Solve for x
    x = 37,268,654,608.32/231,826.40
  6. Step 6: Final answer
    x = 160,761.05

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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.