Home / 198,280.08-273,626.61-107,636.01

Finding the Fourth Proportional to 198,280.08, 273,626.61 and 107,636.01

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Solution

The fourth proportional to 198,280.08, 273,626.61 and 107,636.01 is: 148,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,280.08 : 273,626.61 = 107,636.01 : x
  2. Step 2: Convert to fraction form
    198,280.08/273,626.61 = 107,636.01/x
  3. Step 3: Cross multiply
    198,280.08x = 273,626.61 × 107,636.01
  4. Step 4: Simplify right side
    198,280.08x = 29,452,076,530.23
  5. Step 5: Solve for x
    x = 29,452,076,530.23/198,280.08
  6. Step 6: Final answer
    x = 148,537.75

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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.