Home / 578,100.44-867,129.82-151,632.86

Finding the Fourth Proportional to 578,100.44, 867,129.82 and 151,632.86

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Solution

The fourth proportional to 578,100.44, 867,129.82 and 151,632.86 is: 227,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,100.44 : 867,129.82 = 151,632.86 : x
  2. Step 2: Convert to fraction form
    578,100.44/867,129.82 = 151,632.86/x
  3. Step 3: Cross multiply
    578,100.44x = 867,129.82 × 151,632.86
  4. Step 4: Simplify right side
    578,100.44x = 131,485,369,883.15
  5. Step 5: Solve for x
    x = 131,485,369,883.15/578,100.44
  6. Step 6: Final answer
    x = 227,443.82

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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.