Home / 133,027.03-183,578.97-79,342.66

Finding the Fourth Proportional to 133,027.03, 183,578.97 and 79,342.66

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Solution

The fourth proportional to 133,027.03, 183,578.97 and 79,342.66 is: 109,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,027.03 : 183,578.97 = 79,342.66 : x
  2. Step 2: Convert to fraction form
    133,027.03/183,578.97 = 79,342.66/x
  3. Step 3: Cross multiply
    133,027.03x = 183,578.97 × 79,342.66
  4. Step 4: Simplify right side
    133,027.03x = 14,565,643,799.86
  5. Step 5: Solve for x
    x = 14,565,643,799.86/133,027.03
  6. Step 6: Final answer
    x = 109,493.87

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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.