Home / 166,836.91-230,233.79-90,354.24

Finding the Fourth Proportional to 166,836.91, 230,233.79 and 90,354.24

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Solution

The fourth proportional to 166,836.91, 230,233.79 and 90,354.24 is: 124,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,836.91 : 230,233.79 = 90,354.24 : x
  2. Step 2: Convert to fraction form
    166,836.91/230,233.79 = 90,354.24/x
  3. Step 3: Cross multiply
    166,836.91x = 230,233.79 × 90,354.24
  4. Step 4: Simplify right side
    166,836.91x = 20,802,599,868.20
  5. Step 5: Solve for x
    x = 20,802,599,868.20/166,836.91
  6. Step 6: Final answer
    x = 124,688.24

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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.