Home / 211,458.25-291,816.12-115,964.11

Finding the Fourth Proportional to 211,458.25, 291,816.12 and 115,964.11

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Solution

The fourth proportional to 211,458.25, 291,816.12 and 115,964.11 is: 160,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,458.25 : 291,816.12 = 115,964.11 : x
  2. Step 2: Convert to fraction form
    211,458.25/291,816.12 = 115,964.11/x
  3. Step 3: Cross multiply
    211,458.25x = 291,816.12 × 115,964.11
  4. Step 4: Simplify right side
    211,458.25x = 33,840,196,344.78
  5. Step 5: Solve for x
    x = 33,840,196,344.78/211,458.25
  6. Step 6: Final answer
    x = 160,032.52

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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.