Home / 367,410.42-551,238.35-142,778.19

Finding the Fourth Proportional to 367,410.42, 551,238.35 and 142,778.19

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Solution

The fourth proportional to 367,410.42, 551,238.35 and 142,778.19 is: 214,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,410.42 : 551,238.35 = 142,778.19 : x
  2. Step 2: Convert to fraction form
    367,410.42/551,238.35 = 142,778.19/x
  3. Step 3: Cross multiply
    367,410.42x = 551,238.35 × 142,778.19
  4. Step 4: Simplify right side
    367,410.42x = 78,704,813,157.70
  5. Step 5: Solve for x
    x = 78,704,813,157.70/367,410.42
  6. Step 6: Final answer
    x = 214,214.97

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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.