Home / 198,280.36-273,626.94-107,636.23

Finding the Fourth Proportional to 198,280.36, 273,626.94 and 107,636.23

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Solution

The fourth proportional to 198,280.36, 273,626.94 and 107,636.23 is: 148,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,280.36 : 273,626.94 = 107,636.23 : x
  2. Step 2: Convert to fraction form
    198,280.36/273,626.94 = 107,636.23/x
  3. Step 3: Cross multiply
    198,280.36x = 273,626.94 × 107,636.23
  4. Step 4: Simplify right side
    198,280.36x = 29,452,172,248.04
  5. Step 5: Solve for x
    x = 29,452,172,248.04/198,280.36
  6. Step 6: Final answer
    x = 148,538.02

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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.