Home / 119,716.88-165,216.74-66,001.82

Finding the Fourth Proportional to 119,716.88, 165,216.74 and 66,001.82

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Solution

The fourth proportional to 119,716.88, 165,216.74 and 66,001.82 is: 91,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,716.88 : 165,216.74 = 66,001.82 : x
  2. Step 2: Convert to fraction form
    119,716.88/165,216.74 = 66,001.82/x
  3. Step 3: Cross multiply
    119,716.88x = 165,216.74 × 66,001.82
  4. Step 4: Simplify right side
    119,716.88x = 10,904,604,378.37
  5. Step 5: Solve for x
    x = 10,904,604,378.37/119,716.88
  6. Step 6: Final answer
    x = 91,086.61

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1.5x scale

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.