Home / 354,517.77-489,236.06-193,376.28

Finding the Fourth Proportional to 354,517.77, 489,236.06 and 193,376.28

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Solution

The fourth proportional to 354,517.77, 489,236.06 and 193,376.28 is: 266,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,517.77 : 489,236.06 = 193,376.28 : x
  2. Step 2: Convert to fraction form
    354,517.77/489,236.06 = 193,376.28/x
  3. Step 3: Cross multiply
    354,517.77x = 489,236.06 × 193,376.28
  4. Step 4: Simplify right side
    354,517.77x = 94,606,649,324.66
  5. Step 5: Solve for x
    x = 94,606,649,324.66/354,517.77
  6. Step 6: Final answer
    x = 266,860.10

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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.