Home / 445,061.58-667,582.95-108,103.80

Finding the Fourth Proportional to 445,061.58, 667,582.95 and 108,103.80

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Solution

The fourth proportional to 445,061.58, 667,582.95 and 108,103.80 is: 162,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,061.58 : 667,582.95 = 108,103.80 : x
  2. Step 2: Convert to fraction form
    445,061.58/667,582.95 = 108,103.80/x
  3. Step 3: Cross multiply
    445,061.58x = 667,582.95 × 108,103.80
  4. Step 4: Simplify right side
    445,061.58x = 72,168,253,710.21
  5. Step 5: Solve for x
    x = 72,168,253,710.21/445,061.58
  6. Step 6: Final answer
    x = 162,153.41

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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.