Home / 340,007.64-469,181.62-196,776.56

Finding the Fourth Proportional to 340,007.64, 469,181.62 and 196,776.56

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Solution

The fourth proportional to 340,007.64, 469,181.62 and 196,776.56 is: 271,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,007.64 : 469,181.62 = 196,776.56 : x
  2. Step 2: Convert to fraction form
    340,007.64/469,181.62 = 196,776.56/x
  3. Step 3: Cross multiply
    340,007.64x = 469,181.62 × 196,776.56
  4. Step 4: Simplify right side
    340,007.64x = 92,323,945,198.83
  5. Step 5: Solve for x
    x = 92,323,945,198.83/340,007.64
  6. Step 6: Final answer
    x = 271,534.91

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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.