Home / 207,631.30-311,792.55-114,204.10

Finding the Fourth Proportional to 207,631.30, 311,792.55 and 114,204.10

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Solution

The fourth proportional to 207,631.30, 311,792.55 and 114,204.10 is: 171,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,631.30 : 311,792.55 = 114,204.10 : x
  2. Step 2: Convert to fraction form
    207,631.30/311,792.55 = 114,204.10/x
  3. Step 3: Cross multiply
    207,631.30x = 311,792.55 × 114,204.10
  4. Step 4: Simplify right side
    207,631.30x = 35,607,987,559.46
  5. Step 5: Solve for x
    x = 35,607,987,559.46/207,631.30
  6. Step 6: Final answer
    x = 171,496.24

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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.