Home / 156,720.60-234,692.10-125,616.60

Finding the Fourth Proportional to 156,720.60, 234,692.10 and 125,616.60

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Solution

The fourth proportional to 156,720.60, 234,692.10 and 125,616.60 is: 188,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,720.60 : 234,692.10 = 125,616.60 : x
  2. Step 2: Convert to fraction form
    156,720.60/234,692.10 = 125,616.60/x
  3. Step 3: Cross multiply
    156,720.60x = 234,692.10 × 125,616.60
  4. Step 4: Simplify right side
    156,720.60x = 29,481,223,648.86
  5. Step 5: Solve for x
    x = 29,481,223,648.86/156,720.60
  6. Step 6: Final answer
    x = 188,113.26

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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.