Home / 156,405.02-234,640.33-67,671.14

Finding the Fourth Proportional to 156,405.02, 234,640.33 and 67,671.14

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Solution

The fourth proportional to 156,405.02, 234,640.33 and 67,671.14 is: 101,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,405.02 : 234,640.33 = 67,671.14 : x
  2. Step 2: Convert to fraction form
    156,405.02/234,640.33 = 67,671.14/x
  3. Step 3: Cross multiply
    156,405.02x = 234,640.33 × 67,671.14
  4. Step 4: Simplify right side
    156,405.02x = 15,878,377,278.70
  5. Step 5: Solve for x
    x = 15,878,377,278.70/156,405.02
  6. Step 6: Final answer
    x = 101,520.90

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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.