Home / 269,780.85-372,293.08-148,919.01

Finding the Fourth Proportional to 269,780.85, 372,293.08 and 148,919.01

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Solution

The fourth proportional to 269,780.85, 372,293.08 and 148,919.01 is: 205,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,780.85 : 372,293.08 = 148,919.01 : x
  2. Step 2: Convert to fraction form
    269,780.85/372,293.08 = 148,919.01/x
  3. Step 3: Cross multiply
    269,780.85x = 372,293.08 × 148,919.01
  4. Step 4: Simplify right side
    269,780.85x = 55,441,516,903.45
  5. Step 5: Solve for x
    x = 55,441,516,903.45/269,780.85
  6. Step 6: Final answer
    x = 205,505.75

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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.