Home / 120,982.88-166,948.47-67,265.93

Finding the Fourth Proportional to 120,982.88, 166,948.47 and 67,265.93

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Solution

The fourth proportional to 120,982.88, 166,948.47 and 67,265.93 is: 92,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,982.88 : 166,948.47 = 67,265.93 : x
  2. Step 2: Convert to fraction form
    120,982.88/166,948.47 = 67,265.93/x
  3. Step 3: Cross multiply
    120,982.88x = 166,948.47 × 67,265.93
  4. Step 4: Simplify right side
    120,982.88x = 11,229,943,261.88
  5. Step 5: Solve for x
    x = 11,229,943,261.88/120,982.88
  6. Step 6: Final answer
    x = 92,822.59

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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.