Home / 211,613.04-317,418.47-74,937.56

Finding the Fourth Proportional to 211,613.04, 317,418.47 and 74,937.56

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Solution

The fourth proportional to 211,613.04, 317,418.47 and 74,937.56 is: 112,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,613.04 : 317,418.47 = 74,937.56 : x
  2. Step 2: Convert to fraction form
    211,613.04/317,418.47 = 74,937.56/x
  3. Step 3: Cross multiply
    211,613.04x = 317,418.47 × 74,937.56
  4. Step 4: Simplify right side
    211,613.04x = 23,786,565,640.73
  5. Step 5: Solve for x
    x = 23,786,565,640.73/211,613.04
  6. Step 6: Final answer
    x = 112,405.95

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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.