Home / 121,271.38-167,355.62-67,556.23

Finding the Fourth Proportional to 121,271.38, 167,355.62 and 67,556.23

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Solution

The fourth proportional to 121,271.38, 167,355.62 and 67,556.23 is: 93,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,271.38 : 167,355.62 = 67,556.23 : x
  2. Step 2: Convert to fraction form
    121,271.38/167,355.62 = 67,556.23/x
  3. Step 3: Cross multiply
    121,271.38x = 167,355.62 × 67,556.23
  4. Step 4: Simplify right side
    121,271.38x = 11,305,914,253.68
  5. Step 5: Solve for x
    x = 11,305,914,253.68/121,271.38
  6. Step 6: Final answer
    x = 93,228.22

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1.5x scale

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.