Home / 136,099.27-187,816.82-75,668.01

Finding the Fourth Proportional to 136,099.27, 187,816.82 and 75,668.01

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Solution

The fourth proportional to 136,099.27, 187,816.82 and 75,668.01 is: 104,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,099.27 : 187,816.82 = 75,668.01 : x
  2. Step 2: Convert to fraction form
    136,099.27/187,816.82 = 75,668.01/x
  3. Step 3: Cross multiply
    136,099.27x = 187,816.82 × 75,668.01
  4. Step 4: Simplify right side
    136,099.27x = 14,211,725,013.93
  5. Step 5: Solve for x
    x = 14,211,725,013.93/136,099.27
  6. Step 6: Final answer
    x = 104,421.76

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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.