Home / 198,345.09-273,677.72-117,797.88

Finding the Fourth Proportional to 198,345.09, 273,677.72 and 117,797.88

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Solution

The fourth proportional to 198,345.09, 273,677.72 and 117,797.88 is: 162,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,345.09 : 273,677.72 = 117,797.88 : x
  2. Step 2: Convert to fraction form
    198,345.09/273,677.72 = 117,797.88/x
  3. Step 3: Cross multiply
    198,345.09x = 273,677.72 × 117,797.88
  4. Step 4: Simplify right side
    198,345.09x = 32,238,655,219.23
  5. Step 5: Solve for x
    x = 32,238,655,219.23/198,345.09
  6. Step 6: Final answer
    x = 162,538.21

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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.