Home / 211,049.14-291,232.65-115,540.42

Finding the Fourth Proportional to 211,049.14, 291,232.65 and 115,540.42

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Solution

The fourth proportional to 211,049.14, 291,232.65 and 115,540.42 is: 159,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,049.14 : 291,232.65 = 115,540.42 : x
  2. Step 2: Convert to fraction form
    211,049.14/291,232.65 = 115,540.42/x
  3. Step 3: Cross multiply
    211,049.14x = 291,232.65 × 115,540.42
  4. Step 4: Simplify right side
    211,049.14x = 33,649,142,698.71
  5. Step 5: Solve for x
    x = 33,649,142,698.71/211,049.14
  6. Step 6: Final answer
    x = 159,437.48

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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.