Home / 166,792.64-230,173.49-90,311.81

Finding the Fourth Proportional to 166,792.64, 230,173.49 and 90,311.81

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Solution

The fourth proportional to 166,792.64, 230,173.49 and 90,311.81 is: 124,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,792.64 : 230,173.49 = 90,311.81 : x
  2. Step 2: Convert to fraction form
    166,792.64/230,173.49 = 90,311.81/x
  3. Step 3: Cross multiply
    166,792.64x = 230,173.49 × 90,311.81
  4. Step 4: Simplify right side
    166,792.64x = 20,787,382,893.49
  5. Step 5: Solve for x
    x = 20,787,382,893.49/166,792.64
  6. Step 6: Final answer
    x = 124,630.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.