Home / 167,410.57-231,028.27-90,931.16

Finding the Fourth Proportional to 167,410.57, 231,028.27 and 90,931.16

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Solution

The fourth proportional to 167,410.57, 231,028.27 and 90,931.16 is: 125,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,410.57 : 231,028.27 = 90,931.16 : x
  2. Step 2: Convert to fraction form
    167,410.57/231,028.27 = 90,931.16/x
  3. Step 3: Cross multiply
    167,410.57x = 231,028.27 × 90,931.16
  4. Step 4: Simplify right side
    167,410.57x = 21,007,668,583.89
  5. Step 5: Solve for x
    x = 21,007,668,583.89/167,410.57
  6. Step 6: Final answer
    x = 125,485.92

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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.