Home / 167,516.28-251,176.02-67,679.64

Finding the Fourth Proportional to 167,516.28, 251,176.02 and 67,679.64

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Solution

The fourth proportional to 167,516.28, 251,176.02 and 67,679.64 is: 101,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,516.28 : 251,176.02 = 67,679.64 : x
  2. Step 2: Convert to fraction form
    167,516.28/251,176.02 = 67,679.64/x
  3. Step 3: Cross multiply
    167,516.28x = 251,176.02 × 67,679.64
  4. Step 4: Simplify right side
    167,516.28x = 16,999,502,610.23
  5. Step 5: Solve for x
    x = 16,999,502,610.23/167,516.28
  6. Step 6: Final answer
    x = 101,479.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.