Home / 121,189.42-167,241.02-67,473.04

Finding the Fourth Proportional to 121,189.42, 167,241.02 and 67,473.04

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Solution

The fourth proportional to 121,189.42, 167,241.02 and 67,473.04 is: 93,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,189.42 : 167,241.02 = 67,473.04 : x
  2. Step 2: Convert to fraction form
    121,189.42/167,241.02 = 67,473.04/x
  3. Step 3: Cross multiply
    121,189.42x = 167,241.02 × 67,473.04
  4. Step 4: Simplify right side
    121,189.42x = 11,284,260,032.10
  5. Step 5: Solve for x
    x = 11,284,260,032.10/121,189.42
  6. Step 6: Final answer
    x = 93,112.58

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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.