Home / 317,275.53-437,839.07-196,392.75

Finding the Fourth Proportional to 317,275.53, 437,839.07 and 196,392.75

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Solution

The fourth proportional to 317,275.53, 437,839.07 and 196,392.75 is: 271,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,275.53 : 437,839.07 = 196,392.75 : x
  2. Step 2: Convert to fraction form
    317,275.53/437,839.07 = 196,392.75/x
  3. Step 3: Cross multiply
    317,275.53x = 437,839.07 × 196,392.75
  4. Step 4: Simplify right side
    317,275.53x = 85,988,418,032.78
  5. Step 5: Solve for x
    x = 85,988,418,032.78/317,275.53
  6. Step 6: Final answer
    x = 271,021.27

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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.