Home / 374,410.21-561,532.70-108,112.80

Finding the Fourth Proportional to 374,410.21, 561,532.70 and 108,112.80

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Solution

The fourth proportional to 374,410.21, 561,532.70 and 108,112.80 is: 162,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,410.21 : 561,532.70 = 108,112.80 : x
  2. Step 2: Convert to fraction form
    374,410.21/561,532.70 = 108,112.80/x
  3. Step 3: Cross multiply
    374,410.21x = 561,532.70 × 108,112.80
  4. Step 4: Simplify right side
    374,410.21x = 60,708,869,140.33
  5. Step 5: Solve for x
    x = 60,708,869,140.33/374,410.21
  6. Step 6: Final answer
    x = 162,145.34

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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.