Home / 121,204.44-167,258.34-67,488.30

Finding the Fourth Proportional to 121,204.44, 167,258.34 and 67,488.30

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Solution

The fourth proportional to 121,204.44, 167,258.34 and 67,488.30 is: 93,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,204.44 : 167,258.34 = 67,488.30 : x
  2. Step 2: Convert to fraction form
    121,204.44/167,258.34 = 67,488.30/x
  3. Step 3: Cross multiply
    121,204.44x = 167,258.34 × 67,488.30
  4. Step 4: Simplify right side
    121,204.44x = 11,287,981,027.42
  5. Step 5: Solve for x
    x = 11,287,981,027.42/121,204.44
  6. Step 6: Final answer
    x = 93,131.75

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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.