Home / 121,212.05-167,489.57-94,423.73

Finding the Fourth Proportional to 121,212.05, 167,489.57 and 94,423.73

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Solution

The fourth proportional to 121,212.05, 167,489.57 and 94,423.73 is: 130,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,212.05 : 167,489.57 = 94,423.73 : x
  2. Step 2: Convert to fraction form
    121,212.05/167,489.57 = 94,423.73/x
  3. Step 3: Cross multiply
    121,212.05x = 167,489.57 × 94,423.73
  4. Step 4: Simplify right side
    121,212.05x = 15,814,989,334.11
  5. Step 5: Solve for x
    x = 15,814,989,334.11/121,212.05
  6. Step 6: Final answer
    x = 130,473.74

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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.