Home / 192,372.07-288,558.11-52,130.69

Finding the Fourth Proportional to 192,372.07, 288,558.11 and 52,130.69

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Solution

The fourth proportional to 192,372.07, 288,558.11 and 52,130.69 is: 78,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,372.07 : 288,558.11 = 52,130.69 : x
  2. Step 2: Convert to fraction form
    192,372.07/288,558.11 = 52,130.69/x
  3. Step 3: Cross multiply
    192,372.07x = 288,558.11 × 52,130.69
  4. Step 4: Simplify right side
    192,372.07x = 15,042,733,379.40
  5. Step 5: Solve for x
    x = 15,042,733,379.40/192,372.07
  6. Step 6: Final answer
    x = 78,196.04

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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.