Home / 118,323.45-177,202.08-68,299.47

Finding the Fourth Proportional to 118,323.45, 177,202.08 and 68,299.47

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Solution

The fourth proportional to 118,323.45, 177,202.08 and 68,299.47 is: 102,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,323.45 : 177,202.08 = 68,299.47 : x
  2. Step 2: Convert to fraction form
    118,323.45/177,202.08 = 68,299.47/x
  3. Step 3: Cross multiply
    118,323.45x = 177,202.08 × 68,299.47
  4. Step 4: Simplify right side
    118,323.45x = 12,102,808,146.90
  5. Step 5: Solve for x
    x = 12,102,808,146.90/118,323.45
  6. Step 6: Final answer
    x = 102,285.79

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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.