Home / 276,949.89-382,192.52-154,450.01

Finding the Fourth Proportional to 276,949.89, 382,192.52 and 154,450.01

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Solution

The fourth proportional to 276,949.89, 382,192.52 and 154,450.01 is: 213,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,949.89 : 382,192.52 = 154,450.01 : x
  2. Step 2: Convert to fraction form
    276,949.89/382,192.52 = 154,450.01/x
  3. Step 3: Cross multiply
    276,949.89x = 382,192.52 × 154,450.01
  4. Step 4: Simplify right side
    276,949.89x = 59,029,637,763.68
  5. Step 5: Solve for x
    x = 59,029,637,763.68/276,949.89
  6. Step 6: Final answer
    x = 213,141.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.