Home / 166,985.82-230,438.67-91,533.90

Finding the Fourth Proportional to 166,985.82, 230,438.67 and 91,533.90

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Solution

The fourth proportional to 166,985.82, 230,438.67 and 91,533.90 is: 126,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,985.82 : 230,438.67 = 91,533.90 : x
  2. Step 2: Convert to fraction form
    166,985.82/230,438.67 = 91,533.90/x
  3. Step 3: Cross multiply
    166,985.82x = 230,438.67 × 91,533.90
  4. Step 4: Simplify right side
    166,985.82x = 21,092,950,175.91
  5. Step 5: Solve for x
    x = 21,092,950,175.91/166,985.82
  6. Step 6: Final answer
    x = 126,315.82

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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.