Home / 436,944.03-655,415.82-121,400.82

Finding the Fourth Proportional to 436,944.03, 655,415.82 and 121,400.82

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Solution

The fourth proportional to 436,944.03, 655,415.82 and 121,400.82 is: 182,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,944.03 : 655,415.82 = 121,400.82 : x
  2. Step 2: Convert to fraction form
    436,944.03/655,415.82 = 121,400.82/x
  3. Step 3: Cross multiply
    436,944.03x = 655,415.82 × 121,400.82
  4. Step 4: Simplify right side
    436,944.03x = 79,568,017,988.97
  5. Step 5: Solve for x
    x = 79,568,017,988.97/436,944.03
  6. Step 6: Final answer
    x = 182,101.17

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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.