Home / 198,193.19-273,428.75-113,264.69

Finding the Fourth Proportional to 198,193.19, 273,428.75 and 113,264.69

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Solution

The fourth proportional to 198,193.19, 273,428.75 and 113,264.69 is: 156,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,193.19 : 273,428.75 = 113,264.69 : x
  2. Step 2: Convert to fraction form
    198,193.19/273,428.75 = 113,264.69/x
  3. Step 3: Cross multiply
    198,193.19x = 273,428.75 × 113,264.69
  4. Step 4: Simplify right side
    198,193.19x = 30,969,822,039.51
  5. Step 5: Solve for x
    x = 30,969,822,039.51/198,193.19
  6. Step 6: Final answer
    x = 156,260.78

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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.