Home / 198,253.51-273,585.50-107,609.65

Finding the Fourth Proportional to 198,253.51, 273,585.50 and 107,609.65

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Solution

The fourth proportional to 198,253.51, 273,585.50 and 107,609.65 is: 148,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,253.51 : 273,585.50 = 107,609.65 : x
  2. Step 2: Convert to fraction form
    198,253.51/273,585.50 = 107,609.65/x
  3. Step 3: Cross multiply
    198,253.51x = 273,585.50 × 107,609.65
  4. Step 4: Simplify right side
    198,253.51x = 29,440,439,081.60
  5. Step 5: Solve for x
    x = 29,440,439,081.60/198,253.51
  6. Step 6: Final answer
    x = 148,498.96

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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.