Home / 198,207.64-273,459.54-113,264.56

Finding the Fourth Proportional to 198,207.64, 273,459.54 and 113,264.56

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Solution

The fourth proportional to 198,207.64, 273,459.54 and 113,264.56 is: 156,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,207.64 : 273,459.54 = 113,264.56 : x
  2. Step 2: Convert to fraction form
    198,207.64/273,459.54 = 113,264.56/x
  3. Step 3: Cross multiply
    198,207.64x = 273,459.54 × 113,264.56
  4. Step 4: Simplify right side
    198,207.64x = 30,973,274,475.90
  5. Step 5: Solve for x
    x = 30,973,274,475.90/198,207.64
  6. Step 6: Final answer
    x = 156,266.80

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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.