Home / 198,185.67-273,496.41-113,304.51

Finding the Fourth Proportional to 198,185.67, 273,496.41 and 113,304.51

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Solution

The fourth proportional to 198,185.67, 273,496.41 and 113,304.51 is: 156,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,185.67 : 273,496.41 = 113,304.51 : x
  2. Step 2: Convert to fraction form
    198,185.67/273,496.41 = 113,304.51/x
  3. Step 3: Cross multiply
    198,185.67x = 273,496.41 × 113,304.51
  4. Step 4: Simplify right side
    198,185.67x = 30,988,376,721.81
  5. Step 5: Solve for x
    x = 30,988,376,721.81/198,185.67
  6. Step 6: Final answer
    x = 156,360.33

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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.