Home / 156,736.05-235,104.08-38,408.55

Finding the Fourth Proportional to 156,736.05, 235,104.08 and 38,408.55

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Solution

The fourth proportional to 156,736.05, 235,104.08 and 38,408.55 is: 57,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.05 : 235,104.08 = 38,408.55 : x
  2. Step 2: Convert to fraction form
    156,736.05/235,104.08 = 38,408.55/x
  3. Step 3: Cross multiply
    156,736.05x = 235,104.08 × 38,408.55
  4. Step 4: Simplify right side
    156,736.05x = 9,030,006,619.84
  5. Step 5: Solve for x
    x = 9,030,006,619.84/156,736.05
  6. Step 6: Final answer
    x = 57,612.83

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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.