Home / 211,845.38-317,767.77-54,073.85

Finding the Fourth Proportional to 211,845.38, 317,767.77 and 54,073.85

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Solution

The fourth proportional to 211,845.38, 317,767.77 and 54,073.85 is: 81,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,845.38 : 317,767.77 = 54,073.85 : x
  2. Step 2: Convert to fraction form
    211,845.38/317,767.77 = 54,073.85/x
  3. Step 3: Cross multiply
    211,845.38x = 317,767.77 × 54,073.85
  4. Step 4: Simplify right side
    211,845.38x = 17,182,925,140.98
  5. Step 5: Solve for x
    x = 17,182,925,140.98/211,845.38
  6. Step 6: Final answer
    x = 81,110.69

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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.