Home / 121,119.94-167,144.25-67,404.01

Finding the Fourth Proportional to 121,119.94, 167,144.25 and 67,404.01

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Solution

The fourth proportional to 121,119.94, 167,144.25 and 67,404.01 is: 93,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,119.94 : 167,144.25 = 67,404.01 : x
  2. Step 2: Convert to fraction form
    121,119.94/167,144.25 = 67,404.01/x
  3. Step 3: Cross multiply
    121,119.94x = 167,144.25 × 67,404.01
  4. Step 4: Simplify right side
    121,119.94x = 11,266,192,698.44
  5. Step 5: Solve for x
    x = 11,266,192,698.44/121,119.94
  6. Step 6: Final answer
    x = 93,016.83

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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.