Home / 156,749.62-235,124.38-38,419.96

Finding the Fourth Proportional to 156,749.62, 235,124.38 and 38,419.96

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Solution

The fourth proportional to 156,749.62, 235,124.38 and 38,419.96 is: 57,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,749.62 : 235,124.38 = 38,419.96 : x
  2. Step 2: Convert to fraction form
    156,749.62/235,124.38 = 38,419.96/x
  3. Step 3: Cross multiply
    156,749.62x = 235,124.38 × 38,419.96
  4. Step 4: Simplify right side
    156,749.62x = 9,033,469,274.62
  5. Step 5: Solve for x
    x = 9,033,469,274.62/156,749.62
  6. Step 6: Final answer
    x = 57,629.93

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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.