Home / 367,155.03-550,890.40-198,795.66

Finding the Fourth Proportional to 367,155.03, 550,890.40 and 198,795.66

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Solution

The fourth proportional to 367,155.03, 550,890.40 and 198,795.66 is: 298,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,155.03 : 550,890.40 = 198,795.66 : x
  2. Step 2: Convert to fraction form
    367,155.03/550,890.40 = 198,795.66/x
  3. Step 3: Cross multiply
    367,155.03x = 550,890.40 × 198,795.66
  4. Step 4: Simplify right side
    367,155.03x = 109,514,620,655.66
  5. Step 5: Solve for x
    x = 109,514,620,655.66/367,155.03
  6. Step 6: Final answer
    x = 298,278.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.