Home / 252,721.48-379,300.56-103,044.28

Finding the Fourth Proportional to 252,721.48, 379,300.56 and 103,044.28

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Solution

The fourth proportional to 252,721.48, 379,300.56 and 103,044.28 is: 154,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,721.48 : 379,300.56 = 103,044.28 : x
  2. Step 2: Convert to fraction form
    252,721.48/379,300.56 = 103,044.28/x
  3. Step 3: Cross multiply
    252,721.48x = 379,300.56 × 103,044.28
  4. Step 4: Simplify right side
    252,721.48x = 39,084,753,108.80
  5. Step 5: Solve for x
    x = 39,084,753,108.80/252,721.48
  6. Step 6: Final answer
    x = 154,655.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.