Home / 175,974.48-242,755.68-111,335.28

Finding the Fourth Proportional to 175,974.48, 242,755.68 and 111,335.28

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Solution

The fourth proportional to 175,974.48, 242,755.68 and 111,335.28 is: 153,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,974.48 : 242,755.68 = 111,335.28 : x
  2. Step 2: Convert to fraction form
    175,974.48/242,755.68 = 111,335.28/x
  3. Step 3: Cross multiply
    175,974.48x = 242,755.68 × 111,335.28
  4. Step 4: Simplify right side
    175,974.48x = 27,027,271,604.39
  5. Step 5: Solve for x
    x = 27,027,271,604.39/175,974.48
  6. Step 6: Final answer
    x = 153,586.31

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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.