Home / 225,629.92-338,088.84-83,279.26

Finding the Fourth Proportional to 225,629.92, 338,088.84 and 83,279.26

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Solution

The fourth proportional to 225,629.92, 338,088.84 and 83,279.26 is: 124,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,629.92 : 338,088.84 = 83,279.26 : x
  2. Step 2: Convert to fraction form
    225,629.92/338,088.84 = 83,279.26/x
  3. Step 3: Cross multiply
    225,629.92x = 338,088.84 × 83,279.26
  4. Step 4: Simplify right side
    225,629.92x = 28,155,788,409.46
  5. Step 5: Solve for x
    x = 28,155,788,409.46/225,629.92
  6. Step 6: Final answer
    x = 124,787.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.