Home / 167,923.12-251,921.76-55,638.40

Finding the Fourth Proportional to 167,923.12, 251,921.76 and 55,638.40

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Solution

The fourth proportional to 167,923.12, 251,921.76 and 55,638.40 is: 83,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,923.12 : 251,921.76 = 55,638.40 : x
  2. Step 2: Convert to fraction form
    167,923.12/251,921.76 = 55,638.40/x
  3. Step 3: Cross multiply
    167,923.12x = 251,921.76 × 55,638.40
  4. Step 4: Simplify right side
    167,923.12x = 14,016,523,651.58
  5. Step 5: Solve for x
    x = 14,016,523,651.58/167,923.12
  6. Step 6: Final answer
    x = 83,469.89

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1.5x scale

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.