Home / 121,923.04-168,245.88-68,198.86

Finding the Fourth Proportional to 121,923.04, 168,245.88 and 68,198.86

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Solution

The fourth proportional to 121,923.04, 168,245.88 and 68,198.86 is: 94,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,923.04 : 168,245.88 = 68,198.86 : x
  2. Step 2: Convert to fraction form
    121,923.04/168,245.88 = 68,198.86/x
  3. Step 3: Cross multiply
    121,923.04x = 168,245.88 × 68,198.86
  4. Step 4: Simplify right side
    121,923.04x = 11,474,177,215.70
  5. Step 5: Solve for x
    x = 11,474,177,215.70/121,923.04
  6. Step 6: Final answer
    x = 94,110.00

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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.