Home / 166,836.16-230,232.75-90,353.49

Finding the Fourth Proportional to 166,836.16, 230,232.75 and 90,353.49

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Solution

The fourth proportional to 166,836.16, 230,232.75 and 90,353.49 is: 124,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,836.16 : 230,232.75 = 90,353.49 : x
  2. Step 2: Convert to fraction form
    166,836.16/230,232.75 = 90,353.49/x
  3. Step 3: Cross multiply
    166,836.16x = 230,232.75 × 90,353.49
  4. Step 4: Simplify right side
    166,836.16x = 20,802,333,245.31
  5. Step 5: Solve for x
    x = 20,802,333,245.31/166,836.16
  6. Step 6: Final answer
    x = 124,687.20

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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.