Home / 294,029.10-405,902.74-197,197.54

Finding the Fourth Proportional to 294,029.10, 405,902.74 and 197,197.54

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Solution

The fourth proportional to 294,029.10, 405,902.74 and 197,197.54 is: 272,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,029.10 : 405,902.74 = 197,197.54 : x
  2. Step 2: Convert to fraction form
    294,029.10/405,902.74 = 197,197.54/x
  3. Step 3: Cross multiply
    294,029.10x = 405,902.74 × 197,197.54
  4. Step 4: Simplify right side
    294,029.10x = 80,043,021,807.26
  5. Step 5: Solve for x
    x = 80,043,021,807.26/294,029.10
  6. Step 6: Final answer
    x = 272,228.23

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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.