Home / 211,336.30-317,034.06-69,192.70

Finding the Fourth Proportional to 211,336.30, 317,034.06 and 69,192.70

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Solution

The fourth proportional to 211,336.30, 317,034.06 and 69,192.70 is: 103,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,336.30 : 317,034.06 = 69,192.70 : x
  2. Step 2: Convert to fraction form
    211,336.30/317,034.06 = 69,192.70/x
  3. Step 3: Cross multiply
    211,336.30x = 317,034.06 × 69,192.70
  4. Step 4: Simplify right side
    211,336.30x = 21,936,442,603.36
  5. Step 5: Solve for x
    x = 21,936,442,603.36/211,336.30
  6. Step 6: Final answer
    x = 103,798.74

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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.