Home / 356,985.16-492,635.46-206,078.92

Finding the Fourth Proportional to 356,985.16, 492,635.46 and 206,078.92

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Solution

The fourth proportional to 356,985.16, 492,635.46 and 206,078.92 is: 284,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,985.16 : 492,635.46 = 206,078.92 : x
  2. Step 2: Convert to fraction form
    356,985.16/492,635.46 = 206,078.92/x
  3. Step 3: Cross multiply
    356,985.16x = 492,635.46 × 206,078.92
  4. Step 4: Simplify right side
    356,985.16x = 101,521,783,550.50
  5. Step 5: Solve for x
    x = 101,521,783,550.50/356,985.16
  6. Step 6: Final answer
    x = 284,386.57

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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.