Home / 198,398.08-273,601.92-130,295.04

Finding the Fourth Proportional to 198,398.08, 273,601.92 and 130,295.04

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Solution

The fourth proportional to 198,398.08, 273,601.92 and 130,295.04 is: 179,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,398.08 : 273,601.92 = 130,295.04 : x
  2. Step 2: Convert to fraction form
    198,398.08/273,601.92 = 130,295.04/x
  3. Step 3: Cross multiply
    198,398.08x = 273,601.92 × 130,295.04
  4. Step 4: Simplify right side
    198,398.08x = 35,648,973,110.48
  5. Step 5: Solve for x
    x = 35,648,973,110.48/198,398.08
  6. Step 6: Final answer
    x = 179,684.06

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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.