Home / 356,688.31-492,219.21-195,537.85

Finding the Fourth Proportional to 356,688.31, 492,219.21 and 195,537.85

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Solution

The fourth proportional to 356,688.31, 492,219.21 and 195,537.85 is: 269,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,688.31 : 492,219.21 = 195,537.85 : x
  2. Step 2: Convert to fraction form
    356,688.31/492,219.21 = 195,537.85/x
  3. Step 3: Cross multiply
    356,688.31x = 492,219.21 × 195,537.85
  4. Step 4: Simplify right side
    356,688.31x = 96,247,483,904.97
  5. Step 5: Solve for x
    x = 96,247,483,904.97/356,688.31
  6. Step 6: Final answer
    x = 269,836.38

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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.