Home / 119,146.85-164,486.49-91,863.34

Finding the Fourth Proportional to 119,146.85, 164,486.49 and 91,863.34

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Solution

The fourth proportional to 119,146.85, 164,486.49 and 91,863.34 is: 126,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,146.85 : 164,486.49 = 91,863.34 : x
  2. Step 2: Convert to fraction form
    119,146.85/164,486.49 = 91,863.34/x
  3. Step 3: Cross multiply
    119,146.85x = 164,486.49 × 91,863.34
  4. Step 4: Simplify right side
    119,146.85x = 15,110,278,515.33
  5. Step 5: Solve for x
    x = 15,110,278,515.33/119,146.85
  6. Step 6: Final answer
    x = 126,820.63

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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.