Home / 269,771.96-372,283.20-148,913.28

Finding the Fourth Proportional to 269,771.96, 372,283.20 and 148,913.28

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Solution

The fourth proportional to 269,771.96, 372,283.20 and 148,913.28 is: 205,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,771.96 : 372,283.20 = 148,913.28 : x
  2. Step 2: Convert to fraction form
    269,771.96/372,283.20 = 148,913.28/x
  3. Step 3: Cross multiply
    269,771.96x = 372,283.20 × 148,913.28
  4. Step 4: Simplify right side
    269,771.96x = 55,437,912,400.90
  5. Step 5: Solve for x
    x = 55,437,912,400.90/269,771.96
  6. Step 6: Final answer
    x = 205,499.17

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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.