Home / 121,086.18-167,096.31-70,101.06

Finding the Fourth Proportional to 121,086.18, 167,096.31 and 70,101.06

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Solution

The fourth proportional to 121,086.18, 167,096.31 and 70,101.06 is: 96,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,086.18 : 167,096.31 = 70,101.06 : x
  2. Step 2: Convert to fraction form
    121,086.18/167,096.31 = 70,101.06/x
  3. Step 3: Cross multiply
    121,086.18x = 167,096.31 × 70,101.06
  4. Step 4: Simplify right side
    121,086.18x = 11,713,628,453.09
  5. Step 5: Solve for x
    x = 11,713,628,453.09/121,086.18
  6. Step 6: Final answer
    x = 96,737.95

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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.