Home / 231,426.80-347,015.37-104,998.07

Finding the Fourth Proportional to 231,426.80, 347,015.37 and 104,998.07

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Solution

The fourth proportional to 231,426.80, 347,015.37 and 104,998.07 is: 157,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,426.80 : 347,015.37 = 104,998.07 : x
  2. Step 2: Convert to fraction form
    231,426.80/347,015.37 = 104,998.07/x
  3. Step 3: Cross multiply
    231,426.80x = 347,015.37 × 104,998.07
  4. Step 4: Simplify right side
    231,426.80x = 36,435,942,375.26
  5. Step 5: Solve for x
    x = 36,435,942,375.26/231,426.80
  6. Step 6: Final answer
    x = 157,440.47

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1.5x scale

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.