Home / 227,845.24-341,777.28-78,188.40

Finding the Fourth Proportional to 227,845.24, 341,777.28 and 78,188.40

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Solution

The fourth proportional to 227,845.24, 341,777.28 and 78,188.40 is: 117,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,845.24 : 341,777.28 = 78,188.40 : x
  2. Step 2: Convert to fraction form
    227,845.24/341,777.28 = 78,188.40/x
  3. Step 3: Cross multiply
    227,845.24x = 341,777.28 × 78,188.40
  4. Step 4: Simplify right side
    227,845.24x = 26,723,018,679.55
  5. Step 5: Solve for x
    x = 26,723,018,679.55/227,845.24
  6. Step 6: Final answer
    x = 117,285.83

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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.