Home / 167,904.64-231,637.68-111,217.60

Finding the Fourth Proportional to 167,904.64, 231,637.68 and 111,217.60

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Solution

The fourth proportional to 167,904.64, 231,637.68 and 111,217.60 is: 153,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,904.64 : 231,637.68 = 111,217.60 : x
  2. Step 2: Convert to fraction form
    167,904.64/231,637.68 = 111,217.60/x
  3. Step 3: Cross multiply
    167,904.64x = 231,637.68 × 111,217.60
  4. Step 4: Simplify right side
    167,904.64x = 25,762,186,839.17
  5. Step 5: Solve for x
    x = 25,762,186,839.17/167,904.64
  6. Step 6: Final answer
    x = 153,433.44

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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.