Home / 121,242.27-167,319.51-67,527.30

Finding the Fourth Proportional to 121,242.27, 167,319.51 and 67,527.30

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Solution

The fourth proportional to 121,242.27, 167,319.51 and 67,527.30 is: 93,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,242.27 : 167,319.51 = 67,527.30 : x
  2. Step 2: Convert to fraction form
    121,242.27/167,319.51 = 67,527.30/x
  3. Step 3: Cross multiply
    121,242.27x = 167,319.51 × 67,527.30
  4. Step 4: Simplify right side
    121,242.27x = 11,298,634,747.62
  5. Step 5: Solve for x
    x = 11,298,634,747.62/121,242.27
  6. Step 6: Final answer
    x = 93,190.56

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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.