Home / 239,930.20-331,324.86-160,672.60

Finding the Fourth Proportional to 239,930.20, 331,324.86 and 160,672.60

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Solution

The fourth proportional to 239,930.20, 331,324.86 and 160,672.60 is: 221,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,930.20 : 331,324.86 = 160,672.60 : x
  2. Step 2: Convert to fraction form
    239,930.20/331,324.86 = 160,672.60/x
  3. Step 3: Cross multiply
    239,930.20x = 331,324.86 × 160,672.60
  4. Step 4: Simplify right side
    239,930.20x = 53,234,826,700.84
  5. Step 5: Solve for x
    x = 53,234,826,700.84/239,930.20
  6. Step 6: Final answer
    x = 221,876.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.