Home / 340,410.24-469,782.72-197,144.64

Finding the Fourth Proportional to 340,410.24, 469,782.72 and 197,144.64

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Solution

The fourth proportional to 340,410.24, 469,782.72 and 197,144.64 is: 272,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,410.24 : 469,782.72 = 197,144.64 : x
  2. Step 2: Convert to fraction form
    340,410.24/469,782.72 = 197,144.64/x
  3. Step 3: Cross multiply
    340,410.24x = 469,782.72 × 197,144.64
  4. Step 4: Simplify right side
    340,410.24x = 92,615,145,212.62
  5. Step 5: Solve for x
    x = 92,615,145,212.62/340,410.24
  6. Step 6: Final answer
    x = 272,069.21

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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.