Home / 121,151.70-167,189.13-67,441.41

Finding the Fourth Proportional to 121,151.70, 167,189.13 and 67,441.41

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Solution

The fourth proportional to 121,151.70, 167,189.13 and 67,441.41 is: 93,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,151.70 : 167,189.13 = 67,441.41 : x
  2. Step 2: Convert to fraction form
    121,151.70/167,189.13 = 67,441.41/x
  3. Step 3: Cross multiply
    121,151.70x = 167,189.13 × 67,441.41
  4. Step 4: Simplify right side
    121,151.70x = 11,275,470,663.87
  5. Step 5: Solve for x
    x = 11,275,470,663.87/121,151.70
  6. Step 6: Final answer
    x = 93,069.03

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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.