Home / 198,132.41-296,969.72-91,293.01

Finding the Fourth Proportional to 198,132.41, 296,969.72 and 91,293.01

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Solution

The fourth proportional to 198,132.41, 296,969.72 and 91,293.01 is: 136,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,132.41 : 296,969.72 = 91,293.01 : x
  2. Step 2: Convert to fraction form
    198,132.41/296,969.72 = 91,293.01/x
  3. Step 3: Cross multiply
    198,132.41x = 296,969.72 × 91,293.01
  4. Step 4: Simplify right side
    198,132.41x = 27,111,258,418.77
  5. Step 5: Solve for x
    x = 27,111,258,418.77/198,132.41
  6. Step 6: Final answer
    x = 136,834.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.