Home / 211,050.20-291,247.05-114,251.88

Finding the Fourth Proportional to 211,050.20, 291,247.05 and 114,251.88

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Solution

The fourth proportional to 211,050.20, 291,247.05 and 114,251.88 is: 157,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,050.20 : 291,247.05 = 114,251.88 : x
  2. Step 2: Convert to fraction form
    211,050.20/291,247.05 = 114,251.88/x
  3. Step 3: Cross multiply
    211,050.20x = 291,247.05 × 114,251.88
  4. Step 4: Simplify right side
    211,050.20x = 33,275,523,006.95
  5. Step 5: Solve for x
    x = 33,275,523,006.95/211,050.20
  6. Step 6: Final answer
    x = 157,666.39

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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.