Home / 207,650.16-311,376.60-107,710.20

Finding the Fourth Proportional to 207,650.16, 311,376.60 and 107,710.20

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Solution

The fourth proportional to 207,650.16, 311,376.60 and 107,710.20 is: 161,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,650.16 : 311,376.60 = 107,710.20 : x
  2. Step 2: Convert to fraction form
    207,650.16/311,376.60 = 107,710.20/x
  3. Step 3: Cross multiply
    207,650.16x = 311,376.60 × 107,710.20
  4. Step 4: Simplify right side
    207,650.16x = 33,538,435,861.32
  5. Step 5: Solve for x
    x = 33,538,435,861.32/207,650.16
  6. Step 6: Final answer
    x = 161,514.13

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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.