Home / 156,585.55-234,877.20-38,255.80

Finding the Fourth Proportional to 156,585.55, 234,877.20 and 38,255.80

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Solution

The fourth proportional to 156,585.55, 234,877.20 and 38,255.80 is: 57,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,585.55 : 234,877.20 = 38,255.80 : x
  2. Step 2: Convert to fraction form
    156,585.55/234,877.20 = 38,255.80/x
  3. Step 3: Cross multiply
    156,585.55x = 234,877.20 × 38,255.80
  4. Step 4: Simplify right side
    156,585.55x = 8,985,415,187.76
  5. Step 5: Solve for x
    x = 8,985,415,187.76/156,585.55
  6. Step 6: Final answer
    x = 57,383.43

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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.