Home / 198,161.16-273,453.75-113,283.69

Finding the Fourth Proportional to 198,161.16, 273,453.75 and 113,283.69

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Solution

The fourth proportional to 198,161.16, 273,453.75 and 113,283.69 is: 156,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,161.16 : 273,453.75 = 113,283.69 : x
  2. Step 2: Convert to fraction form
    198,161.16/273,453.75 = 113,283.69/x
  3. Step 3: Cross multiply
    198,161.16x = 273,453.75 × 113,283.69
  4. Step 4: Simplify right side
    198,161.16x = 30,977,849,844.34
  5. Step 5: Solve for x
    x = 30,977,849,844.34/198,161.16
  6. Step 6: Final answer
    x = 156,326.55

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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.