Home / 257,846.28-355,822.32-143,118.24

Finding the Fourth Proportional to 257,846.28, 355,822.32 and 143,118.24

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Solution

The fourth proportional to 257,846.28, 355,822.32 and 143,118.24 is: 197,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,846.28 : 355,822.32 = 143,118.24 : x
  2. Step 2: Convert to fraction form
    257,846.28/355,822.32 = 143,118.24/x
  3. Step 3: Cross multiply
    257,846.28x = 355,822.32 × 143,118.24
  4. Step 4: Simplify right side
    257,846.28x = 50,924,664,191.12
  5. Step 5: Solve for x
    x = 50,924,664,191.12/257,846.28
  6. Step 6: Final answer
    x = 197,500.09

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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.