Home / 156,504.72-234,759.54-38,178.30

Finding the Fourth Proportional to 156,504.72, 234,759.54 and 38,178.30

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Solution

The fourth proportional to 156,504.72, 234,759.54 and 38,178.30 is: 57,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,504.72 : 234,759.54 = 38,178.30 : x
  2. Step 2: Convert to fraction form
    156,504.72/234,759.54 = 38,178.30/x
  3. Step 3: Cross multiply
    156,504.72x = 234,759.54 × 38,178.30
  4. Step 4: Simplify right side
    156,504.72x = 8,962,720,145.98
  5. Step 5: Solve for x
    x = 8,962,720,145.98/156,504.72
  6. Step 6: Final answer
    x = 57,268.05

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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.