Home / 200,040.60-276,082.14-115,161.24

Finding the Fourth Proportional to 200,040.60, 276,082.14 and 115,161.24

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Solution

The fourth proportional to 200,040.60, 276,082.14 and 115,161.24 is: 158,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,040.60 : 276,082.14 = 115,161.24 : x
  2. Step 2: Convert to fraction form
    200,040.60/276,082.14 = 115,161.24/x
  3. Step 3: Cross multiply
    200,040.60x = 276,082.14 × 115,161.24
  4. Step 4: Simplify right side
    200,040.60x = 31,793,961,584.25
  5. Step 5: Solve for x
    x = 31,793,961,584.25/200,040.60
  6. Step 6: Final answer
    x = 158,937.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.