Home / 120,904.14-166,851.77-67,191.42

Finding the Fourth Proportional to 120,904.14, 166,851.77 and 67,191.42

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Solution

The fourth proportional to 120,904.14, 166,851.77 and 67,191.42 is: 92,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,904.14 : 166,851.77 = 67,191.42 : x
  2. Step 2: Convert to fraction form
    120,904.14/166,851.77 = 67,191.42/x
  3. Step 3: Cross multiply
    120,904.14x = 166,851.77 × 67,191.42
  4. Step 4: Simplify right side
    120,904.14x = 11,211,007,019.86
  5. Step 5: Solve for x
    x = 11,211,007,019.86/120,904.14
  6. Step 6: Final answer
    x = 92,726.41

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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.