Home / 355,257.14-490,258.29-194,112.18

Finding the Fourth Proportional to 355,257.14, 490,258.29 and 194,112.18

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Solution

The fourth proportional to 355,257.14, 490,258.29 and 194,112.18 is: 267,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,257.14 : 490,258.29 = 194,112.18 : x
  2. Step 2: Convert to fraction form
    355,257.14/490,258.29 = 194,112.18/x
  3. Step 3: Cross multiply
    355,257.14x = 490,258.29 × 194,112.18
  4. Step 4: Simplify right side
    355,257.14x = 95,165,105,434.97
  5. Step 5: Solve for x
    x = 95,165,105,434.97/355,257.14
  6. Step 6: Final answer
    x = 267,876.69

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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.