Home / 211,273.92-291,560.30-115,778.56

Finding the Fourth Proportional to 211,273.92, 291,560.30 and 115,778.56

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Solution

The fourth proportional to 211,273.92, 291,560.30 and 115,778.56 is: 159,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,273.92 : 291,560.30 = 115,778.56 : x
  2. Step 2: Convert to fraction form
    211,273.92/291,560.30 = 115,778.56/x
  3. Step 3: Cross multiply
    211,273.92x = 291,560.30 × 115,778.56
  4. Step 4: Simplify right side
    211,273.92x = 33,756,431,687.17
  5. Step 5: Solve for x
    x = 33,756,431,687.17/211,273.92
  6. Step 6: Final answer
    x = 159,775.67

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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.