Home / 121,176.03-167,226.81-75,839.52

Finding the Fourth Proportional to 121,176.03, 167,226.81 and 75,839.52

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Solution

The fourth proportional to 121,176.03, 167,226.81 and 75,839.52 is: 104,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,176.03 : 167,226.81 = 75,839.52 : x
  2. Step 2: Convert to fraction form
    121,176.03/167,226.81 = 75,839.52/x
  3. Step 3: Cross multiply
    121,176.03x = 167,226.81 × 75,839.52
  4. Step 4: Simplify right side
    121,176.03x = 12,682,401,001.53
  5. Step 5: Solve for x
    x = 12,682,401,001.53/121,176.03
  6. Step 6: Final answer
    x = 104,660.97

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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.