Home / 274,427.28-411,636.44-87,436.24

Finding the Fourth Proportional to 274,427.28, 411,636.44 and 87,436.24

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Solution

The fourth proportional to 274,427.28, 411,636.44 and 87,436.24 is: 131,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,427.28 : 411,636.44 = 87,436.24 : x
  2. Step 2: Convert to fraction form
    274,427.28/411,636.44 = 87,436.24/x
  3. Step 3: Cross multiply
    274,427.28x = 411,636.44 × 87,436.24
  4. Step 4: Simplify right side
    274,427.28x = 35,991,942,560.59
  5. Step 5: Solve for x
    x = 35,991,942,560.59/274,427.28
  6. Step 6: Final answer
    x = 131,152.93

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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.