Home / 211,838.25-317,757.09-54,066.72

Finding the Fourth Proportional to 211,838.25, 317,757.09 and 54,066.72

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Solution

The fourth proportional to 211,838.25, 317,757.09 and 54,066.72 is: 81,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,838.25 : 317,757.09 = 54,066.72 : x
  2. Step 2: Convert to fraction form
    211,838.25/317,757.09 = 54,066.72/x
  3. Step 3: Cross multiply
    211,838.25x = 317,757.09 × 54,066.72
  4. Step 4: Simplify right side
    211,838.25x = 17,180,083,613.04
  5. Step 5: Solve for x
    x = 17,180,083,613.04/211,838.25
  6. Step 6: Final answer
    x = 81,100.01

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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.