Home / 269,764.32-372,274.78-148,905.64

Finding the Fourth Proportional to 269,764.32, 372,274.78 and 148,905.64

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Solution

The fourth proportional to 269,764.32, 372,274.78 and 148,905.64 is: 205,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,764.32 : 372,274.78 = 148,905.64 : x
  2. Step 2: Convert to fraction form
    269,764.32/372,274.78 = 148,905.64/x
  3. Step 3: Cross multiply
    269,764.32x = 372,274.78 × 148,905.64
  4. Step 4: Simplify right side
    269,764.32x = 55,433,814,371.76
  5. Step 5: Solve for x
    x = 55,433,814,371.76/269,764.32
  6. Step 6: Final answer
    x = 205,489.79

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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.