Home / 211,231.92-291,498.14-114,433.55

Finding the Fourth Proportional to 211,231.92, 291,498.14 and 114,433.55

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Solution

The fourth proportional to 211,231.92, 291,498.14 and 114,433.55 is: 157,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,231.92 : 291,498.14 = 114,433.55 : x
  2. Step 2: Convert to fraction form
    211,231.92/291,498.14 = 114,433.55/x
  3. Step 3: Cross multiply
    211,231.92x = 291,498.14 × 114,433.55
  4. Step 4: Simplify right side
    211,231.92x = 33,357,167,993.43
  5. Step 5: Solve for x
    x = 33,357,167,993.43/211,231.92
  6. Step 6: Final answer
    x = 157,917.27

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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.