Home / 260,330.76-390,049.92-174,781.35

Finding the Fourth Proportional to 260,330.76, 390,049.92 and 174,781.35

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Solution

The fourth proportional to 260,330.76, 390,049.92 and 174,781.35 is: 261,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,330.76 : 390,049.92 = 174,781.35 : x
  2. Step 2: Convert to fraction form
    260,330.76/390,049.92 = 174,781.35/x
  3. Step 3: Cross multiply
    260,330.76x = 390,049.92 × 174,781.35
  4. Step 4: Simplify right side
    260,330.76x = 68,173,451,584.99
  5. Step 5: Solve for x
    x = 68,173,451,584.99/260,330.76
  6. Step 6: Final answer
    x = 261,872.44

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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.