Home / 156,100.88-233,914.80-103,321.28

Finding the Fourth Proportional to 156,100.88, 233,914.80 and 103,321.28

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Solution

The fourth proportional to 156,100.88, 233,914.80 and 103,321.28 is: 154,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,100.88 : 233,914.80 = 103,321.28 : x
  2. Step 2: Convert to fraction form
    156,100.88/233,914.80 = 103,321.28/x
  3. Step 3: Cross multiply
    156,100.88x = 233,914.80 × 103,321.28
  4. Step 4: Simplify right side
    156,100.88x = 24,168,376,546.94
  5. Step 5: Solve for x
    x = 24,168,376,546.94/156,100.88
  6. Step 6: Final answer
    x = 154,825.37

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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.