Home / 269,940.32-372,519.60-149,078.24

Finding the Fourth Proportional to 269,940.32, 372,519.60 and 149,078.24

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Solution

The fourth proportional to 269,940.32, 372,519.60 and 149,078.24 is: 205,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,940.32 : 372,519.60 = 149,078.24 : x
  2. Step 2: Convert to fraction form
    269,940.32/372,519.60 = 149,078.24/x
  3. Step 3: Cross multiply
    269,940.32x = 372,519.60 × 149,078.24
  4. Step 4: Simplify right side
    269,940.32x = 55,534,566,333.50
  5. Step 5: Solve for x
    x = 55,534,566,333.50/269,940.32
  6. Step 6: Final answer
    x = 205,729.05

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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.