Home / 353,243.58-487,478.46-192,100.38

Finding the Fourth Proportional to 353,243.58, 487,478.46 and 192,100.38

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Solution

The fourth proportional to 353,243.58, 487,478.46 and 192,100.38 is: 265,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,243.58 : 487,478.46 = 192,100.38 : x
  2. Step 2: Convert to fraction form
    353,243.58/487,478.46 = 192,100.38/x
  3. Step 3: Cross multiply
    353,243.58x = 487,478.46 × 192,100.38
  4. Step 4: Simplify right side
    353,243.58x = 93,644,797,407.81
  5. Step 5: Solve for x
    x = 93,644,797,407.81/353,243.58
  6. Step 6: Final answer
    x = 265,099.79

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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.