Home / 268,921.45-371,108.55-148,060.27

Finding the Fourth Proportional to 268,921.45, 371,108.55 and 148,060.27

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Solution

The fourth proportional to 268,921.45, 371,108.55 and 148,060.27 is: 204,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,921.45 : 371,108.55 = 148,060.27 : x
  2. Step 2: Convert to fraction form
    268,921.45/371,108.55 = 148,060.27/x
  3. Step 3: Cross multiply
    268,921.45x = 371,108.55 × 148,060.27
  4. Step 4: Simplify right side
    268,921.45x = 54,946,432,112.31
  5. Step 5: Solve for x
    x = 54,946,432,112.31/268,921.45
  6. Step 6: Final answer
    x = 204,321.49

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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.