Home / 198,343.74-273,712.86-107,697.96

Finding the Fourth Proportional to 198,343.74, 273,712.86 and 107,697.96

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Solution

The fourth proportional to 198,343.74, 273,712.86 and 107,697.96 is: 148,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,343.74 : 273,712.86 = 107,697.96 : x
  2. Step 2: Convert to fraction form
    198,343.74/273,712.86 = 107,697.96/x
  3. Step 3: Cross multiply
    198,343.74x = 273,712.86 × 107,697.96
  4. Step 4: Simplify right side
    198,343.74x = 29,478,316,647.77
  5. Step 5: Solve for x
    x = 29,478,316,647.77/198,343.74
  6. Step 6: Final answer
    x = 148,622.37

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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.