Home / 198,276.75-273,497.40-117,647.19

Finding the Fourth Proportional to 198,276.75, 273,497.40 and 117,647.19

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Solution

The fourth proportional to 198,276.75, 273,497.40 and 117,647.19 is: 162,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,276.75 : 273,497.40 = 117,647.19 : x
  2. Step 2: Convert to fraction form
    198,276.75/273,497.40 = 117,647.19/x
  3. Step 3: Cross multiply
    198,276.75x = 273,497.40 × 117,647.19
  4. Step 4: Simplify right side
    198,276.75x = 32,176,200,582.31
  5. Step 5: Solve for x
    x = 32,176,200,582.31/198,276.75
  6. Step 6: Final answer
    x = 162,279.24

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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.