Home / 227,263.45-313,622.31-125,288.53

Finding the Fourth Proportional to 227,263.45, 313,622.31 and 125,288.53

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Solution

The fourth proportional to 227,263.45, 313,622.31 and 125,288.53 is: 172,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,263.45 : 313,622.31 = 125,288.53 : x
  2. Step 2: Convert to fraction form
    227,263.45/313,622.31 = 125,288.53/x
  3. Step 3: Cross multiply
    227,263.45x = 313,622.31 × 125,288.53
  4. Step 4: Simplify right side
    227,263.45x = 39,293,278,195.10
  5. Step 5: Solve for x
    x = 39,293,278,195.10/227,263.45
  6. Step 6: Final answer
    x = 172,897.48

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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.