Home / 127,941.60-191,912.40-122,757.60

Finding the Fourth Proportional to 127,941.60, 191,912.40 and 122,757.60

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Solution

The fourth proportional to 127,941.60, 191,912.40 and 122,757.60 is: 184,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,941.60 : 191,912.40 = 122,757.60 : x
  2. Step 2: Convert to fraction form
    127,941.60/191,912.40 = 122,757.60/x
  3. Step 3: Cross multiply
    127,941.60x = 191,912.40 × 122,757.60
  4. Step 4: Simplify right side
    127,941.60x = 23,558,705,634.24
  5. Step 5: Solve for x
    x = 23,558,705,634.24/127,941.60
  6. Step 6: Final answer
    x = 184,136.40

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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.