Home / 178,727.75-268,009.87-106,713.35

Finding the Fourth Proportional to 178,727.75, 268,009.87 and 106,713.35

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Solution

The fourth proportional to 178,727.75, 268,009.87 and 106,713.35 is: 160,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,727.75 : 268,009.87 = 106,713.35 : x
  2. Step 2: Convert to fraction form
    178,727.75/268,009.87 = 106,713.35/x
  3. Step 3: Cross multiply
    178,727.75x = 268,009.87 × 106,713.35
  4. Step 4: Simplify right side
    178,727.75x = 28,600,229,187.15
  5. Step 5: Solve for x
    x = 28,600,229,187.15/178,727.75
  6. Step 6: Final answer
    x = 160,021.20

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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.