Home / 211,335.62-317,052.02-69,185.48

Finding the Fourth Proportional to 211,335.62, 317,052.02 and 69,185.48

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Solution

The fourth proportional to 211,335.62, 317,052.02 and 69,185.48 is: 103,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,335.62 : 317,052.02 = 69,185.48 : x
  2. Step 2: Convert to fraction form
    211,335.62/317,052.02 = 69,185.48/x
  3. Step 3: Cross multiply
    211,335.62x = 317,052.02 × 69,185.48
  4. Step 4: Simplify right side
    211,335.62x = 21,935,394,776.37
  5. Step 5: Solve for x
    x = 21,935,394,776.37/211,335.62
  6. Step 6: Final answer
    x = 103,794.12

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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.