Home / 198,262.40-273,602.36-107,618.30

Finding the Fourth Proportional to 198,262.40, 273,602.36 and 107,618.30

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Solution

The fourth proportional to 198,262.40, 273,602.36 and 107,618.30 is: 148,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,262.40 : 273,602.36 = 107,618.30 : x
  2. Step 2: Convert to fraction form
    198,262.40/273,602.36 = 107,618.30/x
  3. Step 3: Cross multiply
    198,262.40x = 273,602.36 × 107,618.30
  4. Step 4: Simplify right side
    198,262.40x = 29,444,619,760.22
  5. Step 5: Solve for x
    x = 29,444,619,760.22/198,262.40
  6. Step 6: Final answer
    x = 148,513.39

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1.5x scale

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.