Home / 313,620.10-432,832.82-186,296.20

Finding the Fourth Proportional to 313,620.10, 432,832.82 and 186,296.20

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Solution

The fourth proportional to 313,620.10, 432,832.82 and 186,296.20 is: 257,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,620.10 : 432,832.82 = 186,296.20 : x
  2. Step 2: Convert to fraction form
    313,620.10/432,832.82 = 186,296.20/x
  3. Step 3: Cross multiply
    313,620.10x = 432,832.82 × 186,296.20
  4. Step 4: Simplify right side
    313,620.10x = 80,635,109,601.28
  5. Step 5: Solve for x
    x = 80,635,109,601.28/313,620.10
  6. Step 6: Final answer
    x = 257,110.78

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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.