Home / 211,913.25-317,834.52-69,760.07

Finding the Fourth Proportional to 211,913.25, 317,834.52 and 69,760.07

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Solution

The fourth proportional to 211,913.25, 317,834.52 and 69,760.07 is: 104,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,913.25 : 317,834.52 = 69,760.07 : x
  2. Step 2: Convert to fraction form
    211,913.25/317,834.52 = 69,760.07/x
  3. Step 3: Cross multiply
    211,913.25x = 317,834.52 × 69,760.07
  4. Step 4: Simplify right side
    211,913.25x = 22,172,157,704.72
  5. Step 5: Solve for x
    x = 22,172,157,704.72/211,913.25
  6. Step 6: Final answer
    x = 104,628.47

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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.