Home / 294,026.48-405,880.56-198,662.24

Finding the Fourth Proportional to 294,026.48, 405,880.56 and 198,662.24

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Solution

The fourth proportional to 294,026.48, 405,880.56 and 198,662.24 is: 274,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,026.48 : 405,880.56 = 198,662.24 : x
  2. Step 2: Convert to fraction form
    294,026.48/405,880.56 = 198,662.24/x
  3. Step 3: Cross multiply
    294,026.48x = 405,880.56 × 198,662.24
  4. Step 4: Simplify right side
    294,026.48x = 80,633,141,222.05
  5. Step 5: Solve for x
    x = 80,633,141,222.05/294,026.48
  6. Step 6: Final answer
    x = 274,237.69

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1.5x scale

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.