Home / 436,827.76-655,168.56-121,316.56

Finding the Fourth Proportional to 436,827.76, 655,168.56 and 121,316.56

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Solution

The fourth proportional to 436,827.76, 655,168.56 and 121,316.56 is: 181,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,827.76 : 655,168.56 = 121,316.56 : x
  2. Step 2: Convert to fraction form
    436,827.76/655,168.56 = 121,316.56/x
  3. Step 3: Cross multiply
    436,827.76x = 655,168.56 × 121,316.56
  4. Step 4: Simplify right side
    436,827.76x = 79,482,795,919.35
  5. Step 5: Solve for x
    x = 79,482,795,919.35/436,827.76
  6. Step 6: Final answer
    x = 181,954.54

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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.