Home / 445,860.15-668,812.17-179,584.67

Finding the Fourth Proportional to 445,860.15, 668,812.17 and 179,584.67

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Solution

The fourth proportional to 445,860.15, 668,812.17 and 179,584.67 is: 269,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,860.15 : 668,812.17 = 179,584.67 : x
  2. Step 2: Convert to fraction form
    445,860.15/668,812.17 = 179,584.67/x
  3. Step 3: Cross multiply
    445,860.15x = 668,812.17 × 179,584.67
  4. Step 4: Simplify right side
    445,860.15x = 120,108,412,841.43
  5. Step 5: Solve for x
    x = 120,108,412,841.43/445,860.15
  6. Step 6: Final answer
    x = 269,385.84

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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.