Home / 166,738.84-230,099.60-91,287.34

Finding the Fourth Proportional to 166,738.84, 230,099.60 and 91,287.34

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Solution

The fourth proportional to 166,738.84, 230,099.60 and 91,287.34 is: 125,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,738.84 : 230,099.60 = 91,287.34 : x
  2. Step 2: Convert to fraction form
    166,738.84/230,099.60 = 91,287.34/x
  3. Step 3: Cross multiply
    166,738.84x = 230,099.60 × 91,287.34
  4. Step 4: Simplify right side
    166,738.84x = 21,005,180,419.06
  5. Step 5: Solve for x
    x = 21,005,180,419.06/166,738.84
  6. Step 6: Final answer
    x = 125,976.53

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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.