Home / 156,735.11-235,102.68-38,405.43

Finding the Fourth Proportional to 156,735.11, 235,102.68 and 38,405.43

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Solution

The fourth proportional to 156,735.11, 235,102.68 and 38,405.43 is: 57,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.11 : 235,102.68 = 38,405.43 : x
  2. Step 2: Convert to fraction form
    156,735.11/235,102.68 = 38,405.43/x
  3. Step 3: Cross multiply
    156,735.11x = 235,102.68 × 38,405.43
  4. Step 4: Simplify right side
    156,735.11x = 9,029,219,519.55
  5. Step 5: Solve for x
    x = 9,029,219,519.55/156,735.11
  6. Step 6: Final answer
    x = 57,608.15

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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.