Home / 226,736.78-312,883.11-124,758.50

Finding the Fourth Proportional to 226,736.78, 312,883.11 and 124,758.50

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Solution

The fourth proportional to 226,736.78, 312,883.11 and 124,758.50 is: 172,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,736.78 : 312,883.11 = 124,758.50 : x
  2. Step 2: Convert to fraction form
    226,736.78/312,883.11 = 124,758.50/x
  3. Step 3: Cross multiply
    226,736.78x = 312,883.11 × 124,758.50
  4. Step 4: Simplify right side
    226,736.78x = 39,034,827,478.94
  5. Step 5: Solve for x
    x = 39,034,827,478.94/226,736.78
  6. Step 6: Final answer
    x = 172,159.22

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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.