Home / 117,221.75-175,330.26-108,712.96

Finding the Fourth Proportional to 117,221.75, 175,330.26 and 108,712.96

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Solution

The fourth proportional to 117,221.75, 175,330.26 and 108,712.96 is: 162,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,221.75 : 175,330.26 = 108,712.96 : x
  2. Step 2: Convert to fraction form
    117,221.75/175,330.26 = 108,712.96/x
  3. Step 3: Cross multiply
    117,221.75x = 175,330.26 × 108,712.96
  4. Step 4: Simplify right side
    117,221.75x = 19,060,671,103.84
  5. Step 5: Solve for x
    x = 19,060,671,103.84/117,221.75
  6. Step 6: Final answer
    x = 162,603.54

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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.