Home / 320,311.07-441,990.89-177,051.63

Finding the Fourth Proportional to 320,311.07, 441,990.89 and 177,051.63

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Solution

The fourth proportional to 320,311.07, 441,990.89 and 177,051.63 is: 244,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,311.07 : 441,990.89 = 177,051.63 : x
  2. Step 2: Convert to fraction form
    320,311.07/441,990.89 = 177,051.63/x
  3. Step 3: Cross multiply
    320,311.07x = 441,990.89 × 177,051.63
  4. Step 4: Simplify right side
    320,311.07x = 78,255,207,519.65
  5. Step 5: Solve for x
    x = 78,255,207,519.65/320,311.07
  6. Step 6: Final answer
    x = 244,310.04

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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.