Home / 200,669.54-276,929.24-113,447.70

Finding the Fourth Proportional to 200,669.54, 276,929.24 and 113,447.70

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Solution

The fourth proportional to 200,669.54, 276,929.24 and 113,447.70 is: 156,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,669.54 : 276,929.24 = 113,447.70 : x
  2. Step 2: Convert to fraction form
    200,669.54/276,929.24 = 113,447.70/x
  3. Step 3: Cross multiply
    200,669.54x = 276,929.24 × 113,447.70
  4. Step 4: Simplify right side
    200,669.54x = 31,416,984,773.51
  5. Step 5: Solve for x
    x = 31,416,984,773.51/200,669.54
  6. Step 6: Final answer
    x = 156,560.81

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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.