Home / 156,538.88-234,838.56-73,435.04

Finding the Fourth Proportional to 156,538.88, 234,838.56 and 73,435.04

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Solution

The fourth proportional to 156,538.88, 234,838.56 and 73,435.04 is: 110,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,538.88 : 234,838.56 = 73,435.04 : x
  2. Step 2: Convert to fraction form
    156,538.88/234,838.56 = 73,435.04/x
  3. Step 3: Cross multiply
    156,538.88x = 234,838.56 × 73,435.04
  4. Step 4: Simplify right side
    156,538.88x = 17,245,379,047.14
  5. Step 5: Solve for x
    x = 17,245,379,047.14/156,538.88
  6. Step 6: Final answer
    x = 110,166.75

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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.