Home / 198,130.03-273,419.27-107,486.00

Finding the Fourth Proportional to 198,130.03, 273,419.27 and 107,486.00

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Solution

The fourth proportional to 198,130.03, 273,419.27 and 107,486.00 is: 148,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,130.03 : 273,419.27 = 107,486.00 : x
  2. Step 2: Convert to fraction form
    198,130.03/273,419.27 = 107,486.00/x
  3. Step 3: Cross multiply
    198,130.03x = 273,419.27 × 107,486.00
  4. Step 4: Simplify right side
    198,130.03x = 29,388,743,865.89
  5. Step 5: Solve for x
    x = 29,388,743,865.89/198,130.03
  6. Step 6: Final answer
    x = 148,330.59

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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.