Home / 445,069.04-667,708.56-145,548.45

Finding the Fourth Proportional to 445,069.04, 667,708.56 and 145,548.45

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Solution

The fourth proportional to 445,069.04, 667,708.56 and 145,548.45 is: 218,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,069.04 : 667,708.56 = 145,548.45 : x
  2. Step 2: Convert to fraction form
    445,069.04/667,708.56 = 145,548.45/x
  3. Step 3: Cross multiply
    445,069.04x = 667,708.56 × 145,548.45
  4. Step 4: Simplify right side
    445,069.04x = 97,183,945,959.73
  5. Step 5: Solve for x
    x = 97,183,945,959.73/445,069.04
  6. Step 6: Final answer
    x = 218,357.02

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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.