Home / 211,814.24-317,654.06-69,626.70

Finding the Fourth Proportional to 211,814.24, 317,654.06 and 69,626.70

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Solution

The fourth proportional to 211,814.24, 317,654.06 and 69,626.70 is: 104,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,814.24 : 317,654.06 = 69,626.70 : x
  2. Step 2: Convert to fraction form
    211,814.24/317,654.06 = 69,626.70/x
  3. Step 3: Cross multiply
    211,814.24x = 317,654.06 × 69,626.70
  4. Step 4: Simplify right side
    211,814.24x = 22,117,203,591.27
  5. Step 5: Solve for x
    x = 22,117,203,591.27/211,814.24
  6. Step 6: Final answer
    x = 104,417.93

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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.