Home / 353,186.20-487,390.06-192,039.84

Finding the Fourth Proportional to 353,186.20, 487,390.06 and 192,039.84

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Solution

The fourth proportional to 353,186.20, 487,390.06 and 192,039.84 is: 265,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,186.20 : 487,390.06 = 192,039.84 : x
  2. Step 2: Convert to fraction form
    353,186.20/487,390.06 = 192,039.84/x
  3. Step 3: Cross multiply
    353,186.20x = 487,390.06 × 192,039.84
  4. Step 4: Simplify right side
    353,186.20x = 93,598,309,139.99
  5. Step 5: Solve for x
    x = 93,598,309,139.99/353,186.20
  6. Step 6: Final answer
    x = 265,011.23

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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.