Home / 292,290.24-438,469.92-92,619.84

Finding the Fourth Proportional to 292,290.24, 438,469.92 and 92,619.84

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Solution

The fourth proportional to 292,290.24, 438,469.92 and 92,619.84 is: 138,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,290.24 : 438,469.92 = 92,619.84 : x
  2. Step 2: Convert to fraction form
    292,290.24/438,469.92 = 92,619.84/x
  3. Step 3: Cross multiply
    292,290.24x = 438,469.92 × 92,619.84
  4. Step 4: Simplify right side
    292,290.24x = 40,611,013,835.21
  5. Step 5: Solve for x
    x = 40,611,013,835.21/292,290.24
  6. Step 6: Final answer
    x = 138,940.71

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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.