Home / 355,864.56-491,097.24-194,722.80

Finding the Fourth Proportional to 355,864.56, 491,097.24 and 194,722.80

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Solution

The fourth proportional to 355,864.56, 491,097.24 and 194,722.80 is: 268,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,864.56 : 491,097.24 = 194,722.80 : x
  2. Step 2: Convert to fraction form
    355,864.56/491,097.24 = 194,722.80/x
  3. Step 3: Cross multiply
    355,864.56x = 491,097.24 × 194,722.80
  4. Step 4: Simplify right side
    355,864.56x = 95,627,829,645.07
  5. Step 5: Solve for x
    x = 95,627,829,645.07/355,864.56
  6. Step 6: Final answer
    x = 268,719.73

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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.