Home / 118,329.46-177,558.78-68,506.87

Finding the Fourth Proportional to 118,329.46, 177,558.78 and 68,506.87

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Solution

The fourth proportional to 118,329.46, 177,558.78 and 68,506.87 is: 102,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,329.46 : 177,558.78 = 68,506.87 : x
  2. Step 2: Convert to fraction form
    118,329.46/177,558.78 = 68,506.87/x
  3. Step 3: Cross multiply
    118,329.46x = 177,558.78 × 68,506.87
  4. Step 4: Simplify right side
    118,329.46x = 12,163,996,096.07
  5. Step 5: Solve for x
    x = 12,163,996,096.07/118,329.46
  6. Step 6: Final answer
    x = 102,797.69

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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.