Home / 178,867.72-246,532.98-122,180.68

Finding the Fourth Proportional to 178,867.72, 246,532.98 and 122,180.68

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Solution

The fourth proportional to 178,867.72, 246,532.98 and 122,180.68 is: 168,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,867.72 : 246,532.98 = 122,180.68 : x
  2. Step 2: Convert to fraction form
    178,867.72/246,532.98 = 122,180.68/x
  3. Step 3: Cross multiply
    178,867.72x = 246,532.98 × 122,180.68
  4. Step 4: Simplify right side
    178,867.72x = 30,121,567,138.83
  5. Step 5: Solve for x
    x = 30,121,567,138.83/178,867.72
  6. Step 6: Final answer
    x = 168,401.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.