Home / 330,351.15-455,876.91-192,521.31

Finding the Fourth Proportional to 330,351.15, 455,876.91 and 192,521.31

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Solution

The fourth proportional to 330,351.15, 455,876.91 and 192,521.31 is: 265,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,351.15 : 455,876.91 = 192,521.31 : x
  2. Step 2: Convert to fraction form
    330,351.15/455,876.91 = 192,521.31/x
  3. Step 3: Cross multiply
    330,351.15x = 455,876.91 × 192,521.31
  4. Step 4: Simplify right side
    330,351.15x = 87,766,019,911.95
  5. Step 5: Solve for x
    x = 87,766,019,911.95/330,351.15
  6. Step 6: Final answer
    x = 265,674.93

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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.