Home / 436,824.34-655,235.76-137,331.10

Finding the Fourth Proportional to 436,824.34, 655,235.76 and 137,331.10

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Solution

The fourth proportional to 436,824.34, 655,235.76 and 137,331.10 is: 205,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,824.34 : 655,235.76 = 137,331.10 : x
  2. Step 2: Convert to fraction form
    436,824.34/655,235.76 = 137,331.10/x
  3. Step 3: Cross multiply
    436,824.34x = 655,235.76 × 137,331.10
  4. Step 4: Simplify right side
    436,824.34x = 89,984,247,680.14
  5. Step 5: Solve for x
    x = 89,984,247,680.14/436,824.34
  6. Step 6: Final answer
    x = 205,996.41

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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.