Home / 211,112.94-291,336.30-114,317.85

Finding the Fourth Proportional to 211,112.94, 291,336.30 and 114,317.85

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Solution

The fourth proportional to 211,112.94, 291,336.30 and 114,317.85 is: 157,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,112.94 : 291,336.30 = 114,317.85 : x
  2. Step 2: Convert to fraction form
    211,112.94/291,336.30 = 114,317.85/x
  3. Step 3: Cross multiply
    211,112.94x = 291,336.30 × 114,317.85
  4. Step 4: Simplify right side
    211,112.94x = 33,304,939,442.96
  5. Step 5: Solve for x
    x = 33,304,939,442.96/211,112.94
  6. Step 6: Final answer
    x = 157,758.87

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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.