Home / 198,286.19-273,606.06-113,386.85

Finding the Fourth Proportional to 198,286.19, 273,606.06 and 113,386.85

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Solution

The fourth proportional to 198,286.19, 273,606.06 and 113,386.85 is: 156,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,286.19 : 273,606.06 = 113,386.85 : x
  2. Step 2: Convert to fraction form
    198,286.19/273,606.06 = 113,386.85/x
  3. Step 3: Cross multiply
    198,286.19x = 273,606.06 × 113,386.85
  4. Step 4: Simplify right side
    198,286.19x = 31,023,329,284.31
  5. Step 5: Solve for x
    x = 31,023,329,284.31/198,286.19
  6. Step 6: Final answer
    x = 156,457.34

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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.