Home / 198,402.48-273,787.61-117,827.91

Finding the Fourth Proportional to 198,402.48, 273,787.61 and 117,827.91

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Solution

The fourth proportional to 198,402.48, 273,787.61 and 117,827.91 is: 162,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,402.48 : 273,787.61 = 117,827.91 : x
  2. Step 2: Convert to fraction form
    198,402.48/273,787.61 = 117,827.91/x
  3. Step 3: Cross multiply
    198,402.48x = 273,787.61 × 117,827.91
  4. Step 4: Simplify right side
    198,402.48x = 32,259,821,281.06
  5. Step 5: Solve for x
    x = 32,259,821,281.06/198,402.48
  6. Step 6: Final answer
    x = 162,597.87

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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.