Home / 367,938.88-551,908.33-115,239.15

Finding the Fourth Proportional to 367,938.88, 551,908.33 and 115,239.15

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Solution

The fourth proportional to 367,938.88, 551,908.33 and 115,239.15 is: 172,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,938.88 : 551,908.33 = 115,239.15 : x
  2. Step 2: Convert to fraction form
    367,938.88/551,908.33 = 115,239.15/x
  3. Step 3: Cross multiply
    367,938.88x = 551,908.33 × 115,239.15
  4. Step 4: Simplify right side
    367,938.88x = 63,601,446,539.02
  5. Step 5: Solve for x
    x = 63,601,446,539.02/367,938.88
  6. Step 6: Final answer
    x = 172,858.73

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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.