Home / 362,076.12-542,902.43-109,280.79

Finding the Fourth Proportional to 362,076.12, 542,902.43 and 109,280.79

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Solution

The fourth proportional to 362,076.12, 542,902.43 and 109,280.79 is: 163,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,076.12 : 542,902.43 = 109,280.79 : x
  2. Step 2: Convert to fraction form
    362,076.12/542,902.43 = 109,280.79/x
  3. Step 3: Cross multiply
    362,076.12x = 542,902.43 × 109,280.79
  4. Step 4: Simplify right side
    362,076.12x = 59,328,806,716.52
  5. Step 5: Solve for x
    x = 59,328,806,716.52/362,076.12
  6. Step 6: Final answer
    x = 163,857.28

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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.