Home / 156,933.20-235,325.64-57,023.72

Finding the Fourth Proportional to 156,933.20, 235,325.64 and 57,023.72

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Solution

The fourth proportional to 156,933.20, 235,325.64 and 57,023.72 is: 85,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.20 : 235,325.64 = 57,023.72 : x
  2. Step 2: Convert to fraction form
    156,933.20/235,325.64 = 57,023.72/x
  3. Step 3: Cross multiply
    156,933.20x = 235,325.64 × 57,023.72
  4. Step 4: Simplify right side
    156,933.20x = 13,419,143,404.18
  5. Step 5: Solve for x
    x = 13,419,143,404.18/156,933.20
  6. Step 6: Final answer
    x = 85,508.63

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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.