Home / 198,200.13-273,743.42-130,519.77

Finding the Fourth Proportional to 198,200.13, 273,743.42 and 130,519.77

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Solution

The fourth proportional to 198,200.13, 273,743.42 and 130,519.77 is: 180,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,200.13 : 273,743.42 = 130,519.77 : x
  2. Step 2: Convert to fraction form
    198,200.13/273,743.42 = 130,519.77/x
  3. Step 3: Cross multiply
    198,200.13x = 273,743.42 × 130,519.77
  4. Step 4: Simplify right side
    198,200.13x = 35,728,927,564.81
  5. Step 5: Solve for x
    x = 35,728,927,564.81/198,200.13
  6. Step 6: Final answer
    x = 180,266.92

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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.