Home / 317,653.82-438,567.41-196,924.13

Finding the Fourth Proportional to 317,653.82, 438,567.41 and 196,924.13

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Solution

The fourth proportional to 317,653.82, 438,567.41 and 196,924.13 is: 271,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,653.82 : 438,567.41 = 196,924.13 : x
  2. Step 2: Convert to fraction form
    317,653.82/438,567.41 = 196,924.13/x
  3. Step 3: Cross multiply
    317,653.82x = 438,567.41 × 196,924.13
  4. Step 4: Simplify right side
    317,653.82x = 86,364,505,660.60
  5. Step 5: Solve for x
    x = 86,364,505,660.60/317,653.82
  6. Step 6: Final answer
    x = 271,882.47

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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.