Home / 211,746.15-317,603.84-69,589.73

Finding the Fourth Proportional to 211,746.15, 317,603.84 and 69,589.73

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Solution

The fourth proportional to 211,746.15, 317,603.84 and 69,589.73 is: 104,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,746.15 : 317,603.84 = 69,589.73 : x
  2. Step 2: Convert to fraction form
    211,746.15/317,603.84 = 69,589.73/x
  3. Step 3: Cross multiply
    211,746.15x = 317,603.84 × 69,589.73
  4. Step 4: Simplify right side
    211,746.15x = 22,101,965,918.62
  5. Step 5: Solve for x
    x = 22,101,965,918.62/211,746.15
  6. Step 6: Final answer
    x = 104,379.54

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1.5x scale

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.