Home / 198,155.16-273,489.21-117,627.26

Finding the Fourth Proportional to 198,155.16, 273,489.21 and 117,627.26

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Solution

The fourth proportional to 198,155.16, 273,489.21 and 117,627.26 is: 162,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,155.16 : 273,489.21 = 117,627.26 : x
  2. Step 2: Convert to fraction form
    198,155.16/273,489.21 = 117,627.26/x
  3. Step 3: Cross multiply
    198,155.16x = 273,489.21 × 117,627.26
  4. Step 4: Simplify right side
    198,155.16x = 32,169,785,044.42
  5. Step 5: Solve for x
    x = 32,169,785,044.42/198,155.16
  6. Step 6: Final answer
    x = 162,346.44

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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.