Home / 167,641.54-231,440.97-111,129.46

Finding the Fourth Proportional to 167,641.54, 231,440.97 and 111,129.46

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Solution

The fourth proportional to 167,641.54, 231,440.97 and 111,129.46 is: 153,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,641.54 : 231,440.97 = 111,129.46 : x
  2. Step 2: Convert to fraction form
    167,641.54/231,440.97 = 111,129.46/x
  3. Step 3: Cross multiply
    167,641.54x = 231,440.97 × 111,129.46
  4. Step 4: Simplify right side
    167,641.54x = 25,719,910,017.98
  5. Step 5: Solve for x
    x = 25,719,910,017.98/167,641.54
  6. Step 6: Final answer
    x = 153,422.06

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1.5x scale

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.