Home / 198,035.86-273,217.83-130,089.40

Finding the Fourth Proportional to 198,035.86, 273,217.83 and 130,089.40

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Solution

The fourth proportional to 198,035.86, 273,217.83 and 130,089.40 is: 179,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,035.86 : 273,217.83 = 130,089.40 : x
  2. Step 2: Convert to fraction form
    198,035.86/273,217.83 = 130,089.40/x
  3. Step 3: Cross multiply
    198,035.86x = 273,217.83 × 130,089.40
  4. Step 4: Simplify right side
    198,035.86x = 35,542,743,574.00
  5. Step 5: Solve for x
    x = 35,542,743,574.00/198,035.86
  6. Step 6: Final answer
    x = 179,476.30

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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.