Home / 156,122.25-233,938.09-120,670.37

Finding the Fourth Proportional to 156,122.25, 233,938.09 and 120,670.37

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Solution

The fourth proportional to 156,122.25, 233,938.09 and 120,670.37 is: 180,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,122.25 : 233,938.09 = 120,670.37 : x
  2. Step 2: Convert to fraction form
    156,122.25/233,938.09 = 120,670.37/x
  3. Step 3: Cross multiply
    156,122.25x = 233,938.09 × 120,670.37
  4. Step 4: Simplify right side
    156,122.25x = 28,229,395,735.81
  5. Step 5: Solve for x
    x = 28,229,395,735.81/156,122.25
  6. Step 6: Final answer
    x = 180,815.97

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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.