Home / 127,716.11-176,221.26-73,997.85

Finding the Fourth Proportional to 127,716.11, 176,221.26 and 73,997.85

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Solution

The fourth proportional to 127,716.11, 176,221.26 and 73,997.85 is: 102,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,716.11 : 176,221.26 = 73,997.85 : x
  2. Step 2: Convert to fraction form
    127,716.11/176,221.26 = 73,997.85/x
  3. Step 3: Cross multiply
    127,716.11x = 176,221.26 × 73,997.85
  4. Step 4: Simplify right side
    127,716.11x = 13,039,994,364.29
  5. Step 5: Solve for x
    x = 13,039,994,364.29/127,716.11
  6. Step 6: Final answer
    x = 102,101.41

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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.