Home / 211,517.16-291,891.88-116,022.12

Finding the Fourth Proportional to 211,517.16, 291,891.88 and 116,022.12

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Solution

The fourth proportional to 211,517.16, 291,891.88 and 116,022.12 is: 160,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,517.16 : 291,891.88 = 116,022.12 : x
  2. Step 2: Convert to fraction form
    211,517.16/291,891.88 = 116,022.12/x
  3. Step 3: Cross multiply
    211,517.16x = 291,891.88 × 116,022.12
  4. Step 4: Simplify right side
    211,517.16x = 33,865,914,728.39
  5. Step 5: Solve for x
    x = 33,865,914,728.39/211,517.16
  6. Step 6: Final answer
    x = 160,109.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.