Home / 269,568.90-372,000.47-148,721.76

Finding the Fourth Proportional to 269,568.90, 372,000.47 and 148,721.76

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Solution

The fourth proportional to 269,568.90, 372,000.47 and 148,721.76 is: 205,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568.90 : 372,000.47 = 148,721.76 : x
  2. Step 2: Convert to fraction form
    269,568.90/372,000.47 = 148,721.76/x
  3. Step 3: Cross multiply
    269,568.90x = 372,000.47 × 148,721.76
  4. Step 4: Simplify right side
    269,568.90x = 55,324,563,875.62
  5. Step 5: Solve for x
    x = 55,324,563,875.62/269,568.90
  6. Step 6: Final answer
    x = 205,233.48

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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.