Home / 190,787.92-286,192.41-57,664.82

Finding the Fourth Proportional to 190,787.92, 286,192.41 and 57,664.82

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Solution

The fourth proportional to 190,787.92, 286,192.41 and 57,664.82 is: 86,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,787.92 : 286,192.41 = 57,664.82 : x
  2. Step 2: Convert to fraction form
    190,787.92/286,192.41 = 57,664.82/x
  3. Step 3: Cross multiply
    190,787.92x = 286,192.41 × 57,664.82
  4. Step 4: Simplify right side
    190,787.92x = 16,503,233,519.69
  5. Step 5: Solve for x
    x = 16,503,233,519.69/190,787.92
  6. Step 6: Final answer
    x = 86,500.41

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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.