Home / 175,481.11-242,193.71-99,021.88

Finding the Fourth Proportional to 175,481.11, 242,193.71 and 99,021.88

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Solution

The fourth proportional to 175,481.11, 242,193.71 and 99,021.88 is: 136,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,481.11 : 242,193.71 = 99,021.88 : x
  2. Step 2: Convert to fraction form
    175,481.11/242,193.71 = 99,021.88/x
  3. Step 3: Cross multiply
    175,481.11x = 242,193.71 × 99,021.88
  4. Step 4: Simplify right side
    175,481.11x = 23,982,476,488.37
  5. Step 5: Solve for x
    x = 23,982,476,488.37/175,481.11
  6. Step 6: Final answer
    x = 136,667.00

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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.