Home / 236,811-355,391.82-112,152.36

Finding the Fourth Proportional to 236,811, 355,391.82 and 112,152.36

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Solution

The fourth proportional to 236,811, 355,391.82 and 112,152.36 is: 168,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,811 : 355,391.82 = 112,152.36 : x
  2. Step 2: Convert to fraction form
    236,811/355,391.82 = 112,152.36/x
  3. Step 3: Cross multiply
    236,811x = 355,391.82 × 112,152.36
  4. Step 4: Simplify right side
    236,811x = 39,858,031,337.70
  5. Step 5: Solve for x
    x = 39,858,031,337.70/236,811
  6. Step 6: Final answer
    x = 168,311.57

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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.