Home / 156,179.60-234,268.68-120,692.48

Finding the Fourth Proportional to 156,179.60, 234,268.68 and 120,692.48

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Solution

The fourth proportional to 156,179.60, 234,268.68 and 120,692.48 is: 181,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,179.60 : 234,268.68 = 120,692.48 : x
  2. Step 2: Convert to fraction form
    156,179.60/234,268.68 = 120,692.48/x
  3. Step 3: Cross multiply
    156,179.60x = 234,268.68 × 120,692.48
  4. Step 4: Simplify right side
    156,179.60x = 28,274,467,975.53
  5. Step 5: Solve for x
    x = 28,274,467,975.53/156,179.60
  6. Step 6: Final answer
    x = 181,038.16

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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.