Home / 122,240.60-183,076.57-118,877.21

Finding the Fourth Proportional to 122,240.60, 183,076.57 and 118,877.21

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Solution

The fourth proportional to 122,240.60, 183,076.57 and 118,877.21 is: 178,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,240.60 : 183,076.57 = 118,877.21 : x
  2. Step 2: Convert to fraction form
    122,240.60/183,076.57 = 118,877.21/x
  3. Step 3: Cross multiply
    122,240.60x = 183,076.57 × 118,877.21
  4. Step 4: Simplify right side
    122,240.60x = 21,763,631,857.97
  5. Step 5: Solve for x
    x = 21,763,631,857.97/122,240.60
  6. Step 6: Final answer
    x = 178,039.31

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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.