Home / 104,192.31-156,325.92-40,977.38

Finding the Fourth Proportional to 104,192.31, 156,325.92 and 40,977.38

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Solution

The fourth proportional to 104,192.31, 156,325.92 and 40,977.38 is: 61,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,192.31 : 156,325.92 = 40,977.38 : x
  2. Step 2: Convert to fraction form
    104,192.31/156,325.92 = 40,977.38/x
  3. Step 3: Cross multiply
    104,192.31x = 156,325.92 × 40,977.38
  4. Step 4: Simplify right side
    104,192.31x = 6,405,825,846.06
  5. Step 5: Solve for x
    x = 6,405,825,846.06/104,192.31
  6. Step 6: Final answer
    x = 61,480.80

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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.