Home / 331,620.45-497,382.09-163,095.46

Finding the Fourth Proportional to 331,620.45, 497,382.09 and 163,095.46

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Solution

The fourth proportional to 331,620.45, 497,382.09 and 163,095.46 is: 244,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,620.45 : 497,382.09 = 163,095.46 : x
  2. Step 2: Convert to fraction form
    331,620.45/497,382.09 = 163,095.46/x
  3. Step 3: Cross multiply
    331,620.45x = 497,382.09 × 163,095.46
  4. Step 4: Simplify right side
    331,620.45x = 81,120,758,909.25
  5. Step 5: Solve for x
    x = 81,120,758,909.25/331,620.45
  6. Step 6: Final answer
    x = 244,619.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.