Home / 447,212.98-670,824.15-131,675.86

Finding the Fourth Proportional to 447,212.98, 670,824.15 and 131,675.86

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Solution

The fourth proportional to 447,212.98, 670,824.15 and 131,675.86 is: 197,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,212.98 : 670,824.15 = 131,675.86 : x
  2. Step 2: Convert to fraction form
    447,212.98/670,824.15 = 131,675.86/x
  3. Step 3: Cross multiply
    447,212.98x = 670,824.15 × 131,675.86
  4. Step 4: Simplify right side
    447,212.98x = 88,331,346,860.02
  5. Step 5: Solve for x
    x = 88,331,346,860.02/447,212.98
  6. Step 6: Final answer
    x = 197,515.17

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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.