Home / 198,038-273,306.84-113,153.24

Finding the Fourth Proportional to 198,038, 273,306.84 and 113,153.24

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Solution

The fourth proportional to 198,038, 273,306.84 and 113,153.24 is: 156,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,038 : 273,306.84 = 113,153.24 : x
  2. Step 2: Convert to fraction form
    198,038/273,306.84 = 113,153.24/x
  3. Step 3: Cross multiply
    198,038x = 273,306.84 × 113,153.24
  4. Step 4: Simplify right side
    198,038x = 30,925,554,460.16
  5. Step 5: Solve for x
    x = 30,925,554,460.16/198,038
  6. Step 6: Final answer
    x = 156,159.70

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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.