Home / 224,738.24-310,201.31-129,275.69

Finding the Fourth Proportional to 224,738.24, 310,201.31 and 129,275.69

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Solution

The fourth proportional to 224,738.24, 310,201.31 and 129,275.69 is: 178,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,738.24 : 310,201.31 = 129,275.69 : x
  2. Step 2: Convert to fraction form
    224,738.24/310,201.31 = 129,275.69/x
  3. Step 3: Cross multiply
    224,738.24x = 310,201.31 × 129,275.69
  4. Step 4: Simplify right side
    224,738.24x = 40,101,487,161.34
  5. Step 5: Solve for x
    x = 40,101,487,161.34/224,738.24
  6. Step 6: Final answer
    x = 178,436.42

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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.