Home / 166,659.22-229,988.98-90,179.66

Finding the Fourth Proportional to 166,659.22, 229,988.98 and 90,179.66

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Solution

The fourth proportional to 166,659.22, 229,988.98 and 90,179.66 is: 124,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,659.22 : 229,988.98 = 90,179.66 : x
  2. Step 2: Convert to fraction form
    166,659.22/229,988.98 = 90,179.66/x
  3. Step 3: Cross multiply
    166,659.22x = 229,988.98 × 90,179.66
  4. Step 4: Simplify right side
    166,659.22x = 20,740,328,707.84
  5. Step 5: Solve for x
    x = 20,740,328,707.84/166,659.22
  6. Step 6: Final answer
    x = 124,447.53

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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.