Home / 207,801.36-312,264.78-113,101.56

Finding the Fourth Proportional to 207,801.36, 312,264.78 and 113,101.56

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Solution

The fourth proportional to 207,801.36, 312,264.78 and 113,101.56 is: 169,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,801.36 : 312,264.78 = 113,101.56 : x
  2. Step 2: Convert to fraction form
    207,801.36/312,264.78 = 113,101.56/x
  3. Step 3: Cross multiply
    207,801.36x = 312,264.78 × 113,101.56
  4. Step 4: Simplify right side
    207,801.36x = 35,317,633,751.06
  5. Step 5: Solve for x
    x = 35,317,633,751.06/207,801.36
  6. Step 6: Final answer
    x = 169,958.63

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1.5x scale

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.