Home / 320,226.44-480,364.62-187,120.52

Finding the Fourth Proportional to 320,226.44, 480,364.62 and 187,120.52

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Solution

The fourth proportional to 320,226.44, 480,364.62 and 187,120.52 is: 280,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,226.44 : 480,364.62 = 187,120.52 : x
  2. Step 2: Convert to fraction form
    320,226.44/480,364.62 = 187,120.52/x
  3. Step 3: Cross multiply
    320,226.44x = 480,364.62 × 187,120.52
  4. Step 4: Simplify right side
    320,226.44x = 89,886,077,484.00
  5. Step 5: Solve for x
    x = 89,886,077,484.00/320,226.44
  6. Step 6: Final answer
    x = 280,695.37

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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.