Home / 208,736.10-313,104.15-73,899.10

Finding the Fourth Proportional to 208,736.10, 313,104.15 and 73,899.10

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Solution

The fourth proportional to 208,736.10, 313,104.15 and 73,899.10 is: 110,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,736.10 : 313,104.15 = 73,899.10 : x
  2. Step 2: Convert to fraction form
    208,736.10/313,104.15 = 73,899.10/x
  3. Step 3: Cross multiply
    208,736.10x = 313,104.15 × 73,899.10
  4. Step 4: Simplify right side
    208,736.10x = 23,138,114,891.27
  5. Step 5: Solve for x
    x = 23,138,114,891.27/208,736.10
  6. Step 6: Final answer
    x = 110,848.65

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1.5x scale

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.