Home / 121,304.43-167,401.23-66,858.54

Finding the Fourth Proportional to 121,304.43, 167,401.23 and 66,858.54

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Solution

The fourth proportional to 121,304.43, 167,401.23 and 66,858.54 is: 92,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,304.43 : 167,401.23 = 66,858.54 : x
  2. Step 2: Convert to fraction form
    121,304.43/167,401.23 = 66,858.54/x
  3. Step 3: Cross multiply
    121,304.43x = 167,401.23 × 66,858.54
  4. Step 4: Simplify right side
    121,304.43x = 11,192,201,832.00
  5. Step 5: Solve for x
    x = 11,192,201,832.00/121,304.43
  6. Step 6: Final answer
    x = 92,265.40

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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.