Home / 436,763.14-655,144.51-121,219.95

Finding the Fourth Proportional to 436,763.14, 655,144.51 and 121,219.95

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Solution

The fourth proportional to 436,763.14, 655,144.51 and 121,219.95 is: 181,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,763.14 : 655,144.51 = 121,219.95 : x
  2. Step 2: Convert to fraction form
    436,763.14/655,144.51 = 121,219.95/x
  3. Step 3: Cross multiply
    436,763.14x = 655,144.51 × 121,219.95
  4. Step 4: Simplify right side
    436,763.14x = 79,416,584,744.97
  5. Step 5: Solve for x
    x = 79,416,584,744.97/436,763.14
  6. Step 6: Final answer
    x = 181,829.87

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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.