Home / 166,669.68-230,003.16-90,188.52

Finding the Fourth Proportional to 166,669.68, 230,003.16 and 90,188.52

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Solution

The fourth proportional to 166,669.68, 230,003.16 and 90,188.52 is: 124,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,669.68 : 230,003.16 = 90,188.52 : x
  2. Step 2: Convert to fraction form
    166,669.68/230,003.16 = 90,188.52/x
  3. Step 3: Cross multiply
    166,669.68x = 230,003.16 × 90,188.52
  4. Step 4: Simplify right side
    166,669.68x = 20,743,644,595.72
  5. Step 5: Solve for x
    x = 20,743,644,595.72/166,669.68
  6. Step 6: Final answer
    x = 124,459.62

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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.