Home / 231,800.40-347,924.84-111,941.36

Finding the Fourth Proportional to 231,800.40, 347,924.84 and 111,941.36

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Solution

The fourth proportional to 231,800.40, 347,924.84 and 111,941.36 is: 168,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,800.40 : 347,924.84 = 111,941.36 : x
  2. Step 2: Convert to fraction form
    231,800.40/347,924.84 = 111,941.36/x
  3. Step 3: Cross multiply
    231,800.40x = 347,924.84 × 111,941.36
  4. Step 4: Simplify right side
    231,800.40x = 38,947,179,767.38
  5. Step 5: Solve for x
    x = 38,947,179,767.38/231,800.40
  6. Step 6: Final answer
    x = 168,020.33

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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.