Home / 211,500.45-291,889.44-116,025.75

Finding the Fourth Proportional to 211,500.45, 291,889.44 and 116,025.75

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Solution

The fourth proportional to 211,500.45, 291,889.44 and 116,025.75 is: 160,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,500.45 : 291,889.44 = 116,025.75 : x
  2. Step 2: Convert to fraction form
    211,500.45/291,889.44 = 116,025.75/x
  3. Step 3: Cross multiply
    211,500.45x = 291,889.44 × 116,025.75
  4. Step 4: Simplify right side
    211,500.45x = 33,866,691,193.08
  5. Step 5: Solve for x
    x = 33,866,691,193.08/211,500.45
  6. Step 6: Final answer
    x = 160,125.86

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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.