Home / 156,938.25-235,511.06-73,838.73

Finding the Fourth Proportional to 156,938.25, 235,511.06 and 73,838.73

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Solution

The fourth proportional to 156,938.25, 235,511.06 and 73,838.73 is: 110,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.25 : 235,511.06 = 73,838.73 : x
  2. Step 2: Convert to fraction form
    156,938.25/235,511.06 = 73,838.73/x
  3. Step 3: Cross multiply
    156,938.25x = 235,511.06 × 73,838.73
  4. Step 4: Simplify right side
    156,938.25x = 17,389,837,571.35
  5. Step 5: Solve for x
    x = 17,389,837,571.35/156,938.25
  6. Step 6: Final answer
    x = 110,806.88

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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.