Home / 215,118.22-296,839.08-119,619.22

Finding the Fourth Proportional to 215,118.22, 296,839.08 and 119,619.22

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Solution

The fourth proportional to 215,118.22, 296,839.08 and 119,619.22 is: 165,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,118.22 : 296,839.08 = 119,619.22 : x
  2. Step 2: Convert to fraction form
    215,118.22/296,839.08 = 119,619.22/x
  3. Step 3: Cross multiply
    215,118.22x = 296,839.08 × 119,619.22
  4. Step 4: Simplify right side
    215,118.22x = 35,507,659,215.12
  5. Step 5: Solve for x
    x = 35,507,659,215.12/215,118.22
  6. Step 6: Final answer
    x = 165,061.14

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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.