Home / 118,146.53-177,107.73-47,112.81

Finding the Fourth Proportional to 118,146.53, 177,107.73 and 47,112.81

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Solution

The fourth proportional to 118,146.53, 177,107.73 and 47,112.81 is: 70,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,146.53 : 177,107.73 = 47,112.81 : x
  2. Step 2: Convert to fraction form
    118,146.53/177,107.73 = 47,112.81/x
  3. Step 3: Cross multiply
    118,146.53x = 177,107.73 × 47,112.81
  4. Step 4: Simplify right side
    118,146.53x = 8,344,042,833.02
  5. Step 5: Solve for x
    x = 8,344,042,833.02/118,146.53
  6. Step 6: Final answer
    x = 70,624.53

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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.