Home / 367,556.20-551,412.77-127,677.53

Finding the Fourth Proportional to 367,556.20, 551,412.77 and 127,677.53

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Solution

The fourth proportional to 367,556.20, 551,412.77 and 127,677.53 is: 191,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,556.20 : 551,412.77 = 127,677.53 : x
  2. Step 2: Convert to fraction form
    367,556.20/551,412.77 = 127,677.53/x
  3. Step 3: Cross multiply
    367,556.20x = 551,412.77 × 127,677.53
  4. Step 4: Simplify right side
    367,556.20x = 70,403,021,224.20
  5. Step 5: Solve for x
    x = 70,403,021,224.20/367,556.20
  6. Step 6: Final answer
    x = 191,543.56

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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.