Home / 120,716.17-166,580.49-67,001.20

Finding the Fourth Proportional to 120,716.17, 166,580.49 and 67,001.20

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Solution

The fourth proportional to 120,716.17, 166,580.49 and 67,001.20 is: 92,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,716.17 : 166,580.49 = 67,001.20 : x
  2. Step 2: Convert to fraction form
    120,716.17/166,580.49 = 67,001.20/x
  3. Step 3: Cross multiply
    120,716.17x = 166,580.49 × 67,001.20
  4. Step 4: Simplify right side
    120,716.17x = 11,161,092,726.59
  5. Step 5: Solve for x
    x = 11,161,092,726.59/120,716.17
  6. Step 6: Final answer
    x = 92,457.31

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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.