Home / 353,247.54-487,479.24-192,102.20

Finding the Fourth Proportional to 353,247.54, 487,479.24 and 192,102.20

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Solution

The fourth proportional to 353,247.54, 487,479.24 and 192,102.20 is: 265,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,247.54 : 487,479.24 = 192,102.20 : x
  2. Step 2: Convert to fraction form
    353,247.54/487,479.24 = 192,102.20/x
  3. Step 3: Cross multiply
    353,247.54x = 487,479.24 × 192,102.20
  4. Step 4: Simplify right side
    353,247.54x = 93,645,832,020.93
  5. Step 5: Solve for x
    x = 93,645,832,020.93/353,247.54
  6. Step 6: Final answer
    x = 265,099.74

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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.