Home / 121,593.20-167,801.26-67,145.22

Finding the Fourth Proportional to 121,593.20, 167,801.26 and 67,145.22

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Solution

The fourth proportional to 121,593.20, 167,801.26 and 67,145.22 is: 92,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,593.20 : 167,801.26 = 67,145.22 : x
  2. Step 2: Convert to fraction form
    121,593.20/167,801.26 = 67,145.22/x
  3. Step 3: Cross multiply
    121,593.20x = 167,801.26 × 67,145.22
  4. Step 4: Simplify right side
    121,593.20x = 11,267,052,518.98
  5. Step 5: Solve for x
    x = 11,267,052,518.98/121,593.20
  6. Step 6: Final answer
    x = 92,661.86

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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.