Home / 166,588.86-229,892.63-90,107.95

Finding the Fourth Proportional to 166,588.86, 229,892.63 and 90,107.95

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Solution

The fourth proportional to 166,588.86, 229,892.63 and 90,107.95 is: 124,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,588.86 : 229,892.63 = 90,107.95 : x
  2. Step 2: Convert to fraction form
    166,588.86/229,892.63 = 90,107.95/x
  3. Step 3: Cross multiply
    166,588.86x = 229,892.63 × 90,107.95
  4. Step 4: Simplify right side
    166,588.86x = 20,715,153,158.87
  5. Step 5: Solve for x
    x = 20,715,153,158.87/166,588.86
  6. Step 6: Final answer
    x = 124,348.97

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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.