Home / 166,822.72-230,216.49-90,341.88

Finding the Fourth Proportional to 166,822.72, 230,216.49 and 90,341.88

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Solution

The fourth proportional to 166,822.72, 230,216.49 and 90,341.88 is: 124,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,822.72 : 230,216.49 = 90,341.88 : x
  2. Step 2: Convert to fraction form
    166,822.72/230,216.49 = 90,341.88/x
  3. Step 3: Cross multiply
    166,822.72x = 230,216.49 × 90,341.88
  4. Step 4: Simplify right side
    166,822.72x = 20,798,190,691.17
  5. Step 5: Solve for x
    x = 20,798,190,691.17/166,822.72
  6. Step 6: Final answer
    x = 124,672.41

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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.