Home / 340,390.27-469,801.56-197,150.27

Finding the Fourth Proportional to 340,390.27, 469,801.56 and 197,150.27

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Solution

The fourth proportional to 340,390.27, 469,801.56 and 197,150.27 is: 272,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,390.27 : 469,801.56 = 197,150.27 : x
  2. Step 2: Convert to fraction form
    340,390.27/469,801.56 = 197,150.27/x
  3. Step 3: Cross multiply
    340,390.27x = 469,801.56 × 197,150.27
  4. Step 4: Simplify right side
    340,390.27x = 92,621,504,400.42
  5. Step 5: Solve for x
    x = 92,621,504,400.42/340,390.27
  6. Step 6: Final answer
    x = 272,103.85

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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.