Home / 122,515.70-183,780.46-43,629.92

Finding the Fourth Proportional to 122,515.70, 183,780.46 and 43,629.92

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Solution

The fourth proportional to 122,515.70, 183,780.46 and 43,629.92 is: 65,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,515.70 : 183,780.46 = 43,629.92 : x
  2. Step 2: Convert to fraction form
    122,515.70/183,780.46 = 43,629.92/x
  3. Step 3: Cross multiply
    122,515.70x = 183,780.46 × 43,629.92
  4. Step 4: Simplify right side
    122,515.70x = 8,018,326,767.36
  5. Step 5: Solve for x
    x = 8,018,326,767.36/122,515.70
  6. Step 6: Final answer
    x = 65,447.34

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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.