Home / 122,467.92-183,708.72-38,239.72

Finding the Fourth Proportional to 122,467.92, 183,708.72 and 38,239.72

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Solution

The fourth proportional to 122,467.92, 183,708.72 and 38,239.72 is: 57,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,467.92 : 183,708.72 = 38,239.72 : x
  2. Step 2: Convert to fraction form
    122,467.92/183,708.72 = 38,239.72/x
  3. Step 3: Cross multiply
    122,467.92x = 183,708.72 × 38,239.72
  4. Step 4: Simplify right side
    122,467.92x = 7,024,970,014.36
  5. Step 5: Solve for x
    x = 7,024,970,014.36/122,467.92
  6. Step 6: Final answer
    x = 57,361.72

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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.