Home / 226,911.65-313,135.54-124,935

Finding the Fourth Proportional to 226,911.65, 313,135.54 and 124,935

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Solution

The fourth proportional to 226,911.65, 313,135.54 and 124,935 is: 172,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,911.65 : 313,135.54 = 124,935 : x
  2. Step 2: Convert to fraction form
    226,911.65/313,135.54 = 124,935/x
  3. Step 3: Cross multiply
    226,911.65x = 313,135.54 × 124,935
  4. Step 4: Simplify right side
    226,911.65x = 39,121,588,689.90
  5. Step 5: Solve for x
    x = 39,121,588,689.90/226,911.65
  6. Step 6: Final answer
    x = 172,408.90

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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.