Home / 121,361.49-167,471.96-66,902.76

Finding the Fourth Proportional to 121,361.49, 167,471.96 and 66,902.76

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Solution

The fourth proportional to 121,361.49, 167,471.96 and 66,902.76 is: 92,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,361.49 : 167,471.96 = 66,902.76 : x
  2. Step 2: Convert to fraction form
    121,361.49/167,471.96 = 66,902.76/x
  3. Step 3: Cross multiply
    121,361.49x = 167,471.96 × 66,902.76
  4. Step 4: Simplify right side
    121,361.49x = 11,204,336,012.10
  5. Step 5: Solve for x
    x = 11,204,336,012.10/121,361.49
  6. Step 6: Final answer
    x = 92,322.00

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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.