Home / 178,902.19-268,353.06-45,782.49

Finding the Fourth Proportional to 178,902.19, 268,353.06 and 45,782.49

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Solution

The fourth proportional to 178,902.19, 268,353.06 and 45,782.49 is: 68,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,902.19 : 268,353.06 = 45,782.49 : x
  2. Step 2: Convert to fraction form
    178,902.19/268,353.06 = 45,782.49/x
  3. Step 3: Cross multiply
    178,902.19x = 268,353.06 × 45,782.49
  4. Step 4: Simplify right side
    178,902.19x = 12,285,871,285.92
  5. Step 5: Solve for x
    x = 12,285,871,285.92/178,902.19
  6. Step 6: Final answer
    x = 68,673.68

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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.