Home / 226,979.12-313,219.85-125,013.39

Finding the Fourth Proportional to 226,979.12, 313,219.85 and 125,013.39

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Solution

The fourth proportional to 226,979.12, 313,219.85 and 125,013.39 is: 172,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,979.12 : 313,219.85 = 125,013.39 : x
  2. Step 2: Convert to fraction form
    226,979.12/313,219.85 = 125,013.39/x
  3. Step 3: Cross multiply
    226,979.12x = 313,219.85 × 125,013.39
  4. Step 4: Simplify right side
    226,979.12x = 39,156,674,638.72
  5. Step 5: Solve for x
    x = 39,156,674,638.72/226,979.12
  6. Step 6: Final answer
    x = 172,512.24

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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.