Home / 322,977.66-445,247.25-227,187.06

Finding the Fourth Proportional to 322,977.66, 445,247.25 and 227,187.06

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Solution

The fourth proportional to 322,977.66, 445,247.25 and 227,187.06 is: 313,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,977.66 : 445,247.25 = 227,187.06 : x
  2. Step 2: Convert to fraction form
    322,977.66/445,247.25 = 227,187.06/x
  3. Step 3: Cross multiply
    322,977.66x = 445,247.25 × 227,187.06
  4. Step 4: Simplify right side
    322,977.66x = 101,154,413,700.59
  5. Step 5: Solve for x
    x = 101,154,413,700.59/322,977.66
  6. Step 6: Final answer
    x = 313,193.22

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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.