Home / 121,239.91-167,316.23-67,524.92

Finding the Fourth Proportional to 121,239.91, 167,316.23 and 67,524.92

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Solution

The fourth proportional to 121,239.91, 167,316.23 and 67,524.92 is: 93,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,239.91 : 167,316.23 = 67,524.92 : x
  2. Step 2: Convert to fraction form
    121,239.91/167,316.23 = 67,524.92/x
  3. Step 3: Cross multiply
    121,239.91x = 167,316.23 × 67,524.92
  4. Step 4: Simplify right side
    121,239.91x = 11,298,015,946.27
  5. Step 5: Solve for x
    x = 11,298,015,946.27/121,239.91
  6. Step 6: Final answer
    x = 93,187.27

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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.