Home / 193,941.90-290,793.78-75,475.35

Finding the Fourth Proportional to 193,941.90, 290,793.78 and 75,475.35

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Solution

The fourth proportional to 193,941.90, 290,793.78 and 75,475.35 is: 113,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,941.90 : 290,793.78 = 75,475.35 : x
  2. Step 2: Convert to fraction form
    193,941.90/290,793.78 = 75,475.35/x
  3. Step 3: Cross multiply
    193,941.90x = 290,793.78 × 75,475.35
  4. Step 4: Simplify right side
    193,941.90x = 21,947,762,323.32
  5. Step 5: Solve for x
    x = 21,947,762,323.32/193,941.90
  6. Step 6: Final answer
    x = 113,166.69

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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.