Home / 202,964.78-280,095.96-131,469.24

Finding the Fourth Proportional to 202,964.78, 280,095.96 and 131,469.24

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Solution

The fourth proportional to 202,964.78, 280,095.96 and 131,469.24 is: 181,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,964.78 : 280,095.96 = 131,469.24 : x
  2. Step 2: Convert to fraction form
    202,964.78/280,095.96 = 131,469.24/x
  3. Step 3: Cross multiply
    202,964.78x = 280,095.96 × 131,469.24
  4. Step 4: Simplify right side
    202,964.78x = 36,824,002,216.59
  5. Step 5: Solve for x
    x = 36,824,002,216.59/202,964.78
  6. Step 6: Final answer
    x = 181,430.51

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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.