Home / 207,800.36-312,263.28-113,100.56

Finding the Fourth Proportional to 207,800.36, 312,263.28 and 113,100.56

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Solution

The fourth proportional to 207,800.36, 312,263.28 and 113,100.56 is: 169,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,800.36 : 312,263.28 = 113,100.56 : x
  2. Step 2: Convert to fraction form
    207,800.36/312,263.28 = 113,100.56/x
  3. Step 3: Cross multiply
    207,800.36x = 312,263.28 × 113,100.56
  4. Step 4: Simplify right side
    207,800.36x = 35,317,151,835.44
  5. Step 5: Solve for x
    x = 35,317,151,835.44/207,800.36
  6. Step 6: Final answer
    x = 169,957.13

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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.