Home / 345,336.32-476,500.92-192,370.72

Finding the Fourth Proportional to 345,336.32, 476,500.92 and 192,370.72

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Solution

The fourth proportional to 345,336.32, 476,500.92 and 192,370.72 is: 265,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,336.32 : 476,500.92 = 192,370.72 : x
  2. Step 2: Convert to fraction form
    345,336.32/476,500.92 = 192,370.72/x
  3. Step 3: Cross multiply
    345,336.32x = 476,500.92 × 192,370.72
  4. Step 4: Simplify right side
    345,336.32x = 91,664,825,061.06
  5. Step 5: Solve for x
    x = 91,664,825,061.06/345,336.32
  6. Step 6: Final answer
    x = 265,436.39

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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.