Home / 273,057.92-409,586.82-86,069.36

Finding the Fourth Proportional to 273,057.92, 409,586.82 and 86,069.36

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Solution

The fourth proportional to 273,057.92, 409,586.82 and 86,069.36 is: 129,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,057.92 : 409,586.82 = 86,069.36 : x
  2. Step 2: Convert to fraction form
    273,057.92/409,586.82 = 86,069.36/x
  3. Step 3: Cross multiply
    273,057.92x = 409,586.82 × 86,069.36
  4. Step 4: Simplify right side
    273,057.92x = 35,252,875,461.84
  5. Step 5: Solve for x
    x = 35,252,875,461.84/273,057.92
  6. Step 6: Final answer
    x = 129,104.02

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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.