Home / 271,816.22-407,692.64-72,152.12

Finding the Fourth Proportional to 271,816.22, 407,692.64 and 72,152.12

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Solution

The fourth proportional to 271,816.22, 407,692.64 and 72,152.12 is: 108,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,816.22 : 407,692.64 = 72,152.12 : x
  2. Step 2: Convert to fraction form
    271,816.22/407,692.64 = 72,152.12/x
  3. Step 3: Cross multiply
    271,816.22x = 407,692.64 × 72,152.12
  4. Step 4: Simplify right side
    271,816.22x = 29,415,888,284.40
  5. Step 5: Solve for x
    x = 29,415,888,284.40/271,816.22
  6. Step 6: Final answer
    x = 108,219.77

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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.