Home / 374,529.69-561,821.87-108,291.60

Finding the Fourth Proportional to 374,529.69, 561,821.87 and 108,291.60

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Solution

The fourth proportional to 374,529.69, 561,821.87 and 108,291.60 is: 162,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,529.69 : 561,821.87 = 108,291.60 : x
  2. Step 2: Convert to fraction form
    374,529.69/561,821.87 = 108,291.60/x
  3. Step 3: Cross multiply
    374,529.69x = 561,821.87 × 108,291.60
  4. Step 4: Simplify right side
    374,529.69x = 60,840,589,488.02
  5. Step 5: Solve for x
    x = 60,840,589,488.02/374,529.69
  6. Step 6: Final answer
    x = 162,445.30

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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.