Home / 225,584.82-311,307.05-134,944.61

Finding the Fourth Proportional to 225,584.82, 311,307.05 and 134,944.61

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Solution

The fourth proportional to 225,584.82, 311,307.05 and 134,944.61 is: 186,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,584.82 : 311,307.05 = 134,944.61 : x
  2. Step 2: Convert to fraction form
    225,584.82/311,307.05 = 134,944.61/x
  3. Step 3: Cross multiply
    225,584.82x = 311,307.05 × 134,944.61
  4. Step 4: Simplify right side
    225,584.82x = 42,009,206,221.24
  5. Step 5: Solve for x
    x = 42,009,206,221.24/225,584.82
  6. Step 6: Final answer
    x = 186,223.55

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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.