Home / 551,242.20-826,814.70-151,847.40

Finding the Fourth Proportional to 551,242.20, 826,814.70 and 151,847.40

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Solution

The fourth proportional to 551,242.20, 826,814.70 and 151,847.40 is: 227,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,242.20 : 826,814.70 = 151,847.40 : x
  2. Step 2: Convert to fraction form
    551,242.20/826,814.70 = 151,847.40/x
  3. Step 3: Cross multiply
    551,242.20x = 826,814.70 × 151,847.40
  4. Step 4: Simplify right side
    551,242.20x = 125,549,662,476.78
  5. Step 5: Solve for x
    x = 125,549,662,476.78/551,242.20
  6. Step 6: Final answer
    x = 227,757.71

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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.