Home / 198,459.72-273,873.28-107,814.96

Finding the Fourth Proportional to 198,459.72, 273,873.28 and 107,814.96

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Solution

The fourth proportional to 198,459.72, 273,873.28 and 107,814.96 is: 148,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,459.72 : 273,873.28 = 107,814.96 : x
  2. Step 2: Convert to fraction form
    198,459.72/273,873.28 = 107,814.96/x
  3. Step 3: Cross multiply
    198,459.72x = 273,873.28 × 107,814.96
  4. Step 4: Simplify right side
    198,459.72x = 29,527,636,728.27
  5. Step 5: Solve for x
    x = 29,527,636,728.27/198,459.72
  6. Step 6: Final answer
    x = 148,784.03

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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.