Home / 445,493.04-668,073.12-179,163.60

Finding the Fourth Proportional to 445,493.04, 668,073.12 and 179,163.60

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Solution

The fourth proportional to 445,493.04, 668,073.12 and 179,163.60 is: 268,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,493.04 : 668,073.12 = 179,163.60 : x
  2. Step 2: Convert to fraction form
    445,493.04/668,073.12 = 179,163.60/x
  3. Step 3: Cross multiply
    445,493.04x = 668,073.12 × 179,163.60
  4. Step 4: Simplify right side
    445,493.04x = 119,694,385,242.43
  5. Step 5: Solve for x
    x = 119,694,385,242.43/445,493.04
  6. Step 6: Final answer
    x = 268,678.46

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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.