Home / 198,241.07-273,494.81-113,312.57

Finding the Fourth Proportional to 198,241.07, 273,494.81 and 113,312.57

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Solution

The fourth proportional to 198,241.07, 273,494.81 and 113,312.57 is: 156,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,241.07 : 273,494.81 = 113,312.57 : x
  2. Step 2: Convert to fraction form
    198,241.07/273,494.81 = 113,312.57/x
  3. Step 3: Cross multiply
    198,241.07x = 273,494.81 × 113,312.57
  4. Step 4: Simplify right side
    198,241.07x = 30,990,398,718.57
  5. Step 5: Solve for x
    x = 30,990,398,718.57/198,241.07
  6. Step 6: Final answer
    x = 156,326.84

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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.