Home / 353,267.20-487,504.07-192,118.80

Finding the Fourth Proportional to 353,267.20, 487,504.07 and 192,118.80

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Solution

The fourth proportional to 353,267.20, 487,504.07 and 192,118.80 is: 265,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,267.20 : 487,504.07 = 192,118.80 : x
  2. Step 2: Convert to fraction form
    353,267.20/487,504.07 = 192,118.80/x
  3. Step 3: Cross multiply
    353,267.20x = 487,504.07 × 192,118.80
  4. Step 4: Simplify right side
    353,267.20x = 93,658,696,923.52
  5. Step 5: Solve for x
    x = 93,658,696,923.52/353,267.20
  6. Step 6: Final answer
    x = 265,121.41

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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.