Home / 353,196.20-487,403.86-192,049.84

Finding the Fourth Proportional to 353,196.20, 487,403.86 and 192,049.84

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Solution

The fourth proportional to 353,196.20, 487,403.86 and 192,049.84 is: 265,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,196.20 : 487,403.86 = 192,049.84 : x
  2. Step 2: Convert to fraction form
    353,196.20/487,403.86 = 192,049.84/x
  3. Step 3: Cross multiply
    353,196.20x = 487,403.86 × 192,049.84
  4. Step 4: Simplify right side
    353,196.20x = 93,605,833,328.38
  5. Step 5: Solve for x
    x = 93,605,833,328.38/353,196.20
  6. Step 6: Final answer
    x = 265,025.03

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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.