Home / 203,519.34-280,612.62-131,873.22

Finding the Fourth Proportional to 203,519.34, 280,612.62 and 131,873.22

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Solution

The fourth proportional to 203,519.34, 280,612.62 and 131,873.22 is: 181,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,519.34 : 280,612.62 = 131,873.22 : x
  2. Step 2: Convert to fraction form
    203,519.34/280,612.62 = 131,873.22/x
  3. Step 3: Cross multiply
    203,519.34x = 280,612.62 × 131,873.22
  4. Step 4: Simplify right side
    203,519.34x = 37,005,289,772.04
  5. Step 5: Solve for x
    x = 37,005,289,772.04/203,519.34
  6. Step 6: Final answer
    x = 181,826.90

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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.