Home / 121,251.61-167,327.25-70,293.87

Finding the Fourth Proportional to 121,251.61, 167,327.25 and 70,293.87

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Solution

The fourth proportional to 121,251.61, 167,327.25 and 70,293.87 is: 97,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,251.61 : 167,327.25 = 70,293.87 : x
  2. Step 2: Convert to fraction form
    121,251.61/167,327.25 = 70,293.87/x
  3. Step 3: Cross multiply
    121,251.61x = 167,327.25 × 70,293.87
  4. Step 4: Simplify right side
    121,251.61x = 11,762,079,958.96
  5. Step 5: Solve for x
    x = 11,762,079,958.96/121,251.61
  6. Step 6: Final answer
    x = 97,005.56

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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.