Home / 166,836.73-230,233.55-90,354.07

Finding the Fourth Proportional to 166,836.73, 230,233.55 and 90,354.07

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Solution

The fourth proportional to 166,836.73, 230,233.55 and 90,354.07 is: 124,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,836.73 : 230,233.55 = 90,354.07 : x
  2. Step 2: Convert to fraction form
    166,836.73/230,233.55 = 90,354.07/x
  3. Step 3: Cross multiply
    166,836.73x = 230,233.55 × 90,354.07
  4. Step 4: Simplify right side
    166,836.73x = 20,802,538,293.05
  5. Step 5: Solve for x
    x = 20,802,538,293.05/166,836.73
  6. Step 6: Final answer
    x = 124,688.00

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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.