Home / 121,274.55-167,343.33-70,286.93

Finding the Fourth Proportional to 121,274.55, 167,343.33 and 70,286.93

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Solution

The fourth proportional to 121,274.55, 167,343.33 and 70,286.93 is: 96,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,274.55 : 167,343.33 = 70,286.93 : x
  2. Step 2: Convert to fraction form
    121,274.55/167,343.33 = 70,286.93/x
  3. Step 3: Cross multiply
    121,274.55x = 167,343.33 × 70,286.93
  4. Step 4: Simplify right side
    121,274.55x = 11,762,048,921.68
  5. Step 5: Solve for x
    x = 11,762,048,921.68/121,274.55
  6. Step 6: Final answer
    x = 96,986.95

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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.