Home / 207,962.56-312,082.20-113,216.64

Finding the Fourth Proportional to 207,962.56, 312,082.20 and 113,216.64

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Solution

The fourth proportional to 207,962.56, 312,082.20 and 113,216.64 is: 169,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,962.56 : 312,082.20 = 113,216.64 : x
  2. Step 2: Convert to fraction form
    207,962.56/312,082.20 = 113,216.64/x
  3. Step 3: Cross multiply
    207,962.56x = 312,082.20 × 113,216.64
  4. Step 4: Simplify right side
    207,962.56x = 35,332,898,087.81
  5. Step 5: Solve for x
    x = 35,332,898,087.81/207,962.56
  6. Step 6: Final answer
    x = 169,900.28

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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.