Home / 198,480.96-273,788.64-130,510.08

Finding the Fourth Proportional to 198,480.96, 273,788.64 and 130,510.08

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Solution

The fourth proportional to 198,480.96, 273,788.64 and 130,510.08 is: 180,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,480.96 : 273,788.64 = 130,510.08 : x
  2. Step 2: Convert to fraction form
    198,480.96/273,788.64 = 130,510.08/x
  3. Step 3: Cross multiply
    198,480.96x = 273,788.64 × 130,510.08
  4. Step 4: Simplify right side
    198,480.96x = 35,732,177,309.49
  5. Step 5: Solve for x
    x = 35,732,177,309.49/198,480.96
  6. Step 6: Final answer
    x = 180,028.24

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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.