Home / 211,454.08-317,088.96-71,175.04

Finding the Fourth Proportional to 211,454.08, 317,088.96 and 71,175.04

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Solution

The fourth proportional to 211,454.08, 317,088.96 and 71,175.04 is: 106,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,454.08 : 317,088.96 = 71,175.04 : x
  2. Step 2: Convert to fraction form
    211,454.08/317,088.96 = 71,175.04/x
  3. Step 3: Cross multiply
    211,454.08x = 317,088.96 × 71,175.04
  4. Step 4: Simplify right side
    211,454.08x = 22,568,819,411.56
  5. Step 5: Solve for x
    x = 22,568,819,411.56/211,454.08
  6. Step 6: Final answer
    x = 106,731.54

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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.