Home / 156,405.14-234,640.52-67,671.26

Finding the Fourth Proportional to 156,405.14, 234,640.52 and 67,671.26

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Solution

The fourth proportional to 156,405.14, 234,640.52 and 67,671.26 is: 101,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,405.14 : 234,640.52 = 67,671.26 : x
  2. Step 2: Convert to fraction form
    156,405.14/234,640.52 = 67,671.26/x
  3. Step 3: Cross multiply
    156,405.14x = 234,640.52 × 67,671.26
  4. Step 4: Simplify right side
    156,405.14x = 15,878,419,635.46
  5. Step 5: Solve for x
    x = 15,878,419,635.46/156,405.14
  6. Step 6: Final answer
    x = 101,521.09

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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.