Home / 225,720.38-338,341.86-83,474.26

Finding the Fourth Proportional to 225,720.38, 338,341.86 and 83,474.26

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Solution

The fourth proportional to 225,720.38, 338,341.86 and 83,474.26 is: 125,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,720.38 : 338,341.86 = 83,474.26 : x
  2. Step 2: Convert to fraction form
    225,720.38/338,341.86 = 83,474.26/x
  3. Step 3: Cross multiply
    225,720.38x = 338,341.86 × 83,474.26
  4. Step 4: Simplify right side
    225,720.38x = 28,242,835,544.67
  5. Step 5: Solve for x
    x = 28,242,835,544.67/225,720.38
  6. Step 6: Final answer
    x = 125,123.11

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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.