Home / 207,518.22-311,557.20-132,784.26

Finding the Fourth Proportional to 207,518.22, 311,557.20 and 132,784.26

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Solution

The fourth proportional to 207,518.22, 311,557.20 and 132,784.26 is: 199,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,518.22 : 311,557.20 = 132,784.26 : x
  2. Step 2: Convert to fraction form
    207,518.22/311,557.20 = 132,784.26/x
  3. Step 3: Cross multiply
    207,518.22x = 311,557.20 × 132,784.26
  4. Step 4: Simplify right side
    207,518.22x = 41,369,892,249.67
  5. Step 5: Solve for x
    x = 41,369,892,249.67/207,518.22
  6. Step 6: Final answer
    x = 199,355.47

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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.