Home / 269,688.20-372,171.30-148,832.60

Finding the Fourth Proportional to 269,688.20, 372,171.30 and 148,832.60

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Solution

The fourth proportional to 269,688.20, 372,171.30 and 148,832.60 is: 205,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,688.20 : 372,171.30 = 148,832.60 : x
  2. Step 2: Convert to fraction form
    269,688.20/372,171.30 = 148,832.60/x
  3. Step 3: Cross multiply
    269,688.20x = 372,171.30 × 148,832.60
  4. Step 4: Simplify right side
    269,688.20x = 55,391,222,224.38
  5. Step 5: Solve for x
    x = 55,391,222,224.38/269,688.20
  6. Step 6: Final answer
    x = 205,389.86

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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.