Home / 121,133.20-167,047.76-92,401.84

Finding the Fourth Proportional to 121,133.20, 167,047.76 and 92,401.84

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Solution

The fourth proportional to 121,133.20, 167,047.76 and 92,401.84 is: 127,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,133.20 : 167,047.76 = 92,401.84 : x
  2. Step 2: Convert to fraction form
    121,133.20/167,047.76 = 92,401.84/x
  3. Step 3: Cross multiply
    121,133.20x = 167,047.76 × 92,401.84
  4. Step 4: Simplify right side
    121,133.20x = 15,435,520,391.88
  5. Step 5: Solve for x
    x = 15,435,520,391.88/121,133.20
  6. Step 6: Final answer
    x = 127,426.01

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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.