Home / 121,958.74-167,929.23-106,766.38

Finding the Fourth Proportional to 121,958.74, 167,929.23 and 106,766.38

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Solution

The fourth proportional to 121,958.74, 167,929.23 and 106,766.38 is: 147,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,958.74 : 167,929.23 = 106,766.38 : x
  2. Step 2: Convert to fraction form
    121,958.74/167,929.23 = 106,766.38/x
  3. Step 3: Cross multiply
    121,958.74x = 167,929.23 × 106,766.38
  4. Step 4: Simplify right side
    121,958.74x = 17,929,195,983.29
  5. Step 5: Solve for x
    x = 17,929,195,983.29/121,958.74
  6. Step 6: Final answer
    x = 147,010.34

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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.