Home / 211,612.04-317,416.97-74,936.56

Finding the Fourth Proportional to 211,612.04, 317,416.97 and 74,936.56

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Solution

The fourth proportional to 211,612.04, 317,416.97 and 74,936.56 is: 112,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,612.04 : 317,416.97 = 74,936.56 : x
  2. Step 2: Convert to fraction form
    211,612.04/317,416.97 = 74,936.56/x
  3. Step 3: Cross multiply
    211,612.04x = 317,416.97 × 74,936.56
  4. Step 4: Simplify right side
    211,612.04x = 23,786,135,211.22
  5. Step 5: Solve for x
    x = 23,786,135,211.22/211,612.04
  6. Step 6: Final answer
    x = 112,404.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.