Home / 207,795.36-312,255.78-113,095.56

Finding the Fourth Proportional to 207,795.36, 312,255.78 and 113,095.56

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Solution

The fourth proportional to 207,795.36, 312,255.78 and 113,095.56 is: 169,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,795.36 : 312,255.78 = 113,095.56 : x
  2. Step 2: Convert to fraction form
    207,795.36/312,255.78 = 113,095.56/x
  3. Step 3: Cross multiply
    207,795.36x = 312,255.78 × 113,095.56
  4. Step 4: Simplify right side
    207,795.36x = 35,314,742,302.34
  5. Step 5: Solve for x
    x = 35,314,742,302.34/207,795.36
  6. Step 6: Final answer
    x = 169,949.62

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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.