Home / 121,241.52-167,318.49-67,526.55

Finding the Fourth Proportional to 121,241.52, 167,318.49 and 67,526.55

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Solution

The fourth proportional to 121,241.52, 167,318.49 and 67,526.55 is: 93,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,241.52 : 167,318.49 = 67,526.55 : x
  2. Step 2: Convert to fraction form
    121,241.52/167,318.49 = 67,526.55/x
  3. Step 3: Cross multiply
    121,241.52x = 167,318.49 × 67,526.55
  4. Step 4: Simplify right side
    121,241.52x = 11,298,440,380.91
  5. Step 5: Solve for x
    x = 11,298,440,380.91/121,241.52
  6. Step 6: Final answer
    x = 93,189.53

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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.