Home / 211,336.62-317,053.52-69,186.48

Finding the Fourth Proportional to 211,336.62, 317,053.52 and 69,186.48

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Solution

The fourth proportional to 211,336.62, 317,053.52 and 69,186.48 is: 103,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,336.62 : 317,053.52 = 69,186.48 : x
  2. Step 2: Convert to fraction form
    211,336.62/317,053.52 = 69,186.48/x
  3. Step 3: Cross multiply
    211,336.62x = 317,053.52 × 69,186.48
  4. Step 4: Simplify right side
    211,336.62x = 21,935,817,020.41
  5. Step 5: Solve for x
    x = 21,935,817,020.41/211,336.62
  6. Step 6: Final answer
    x = 103,795.63

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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.