Home / 193,845.66-290,782.36-51,690.18

Finding the Fourth Proportional to 193,845.66, 290,782.36 and 51,690.18

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Solution

The fourth proportional to 193,845.66, 290,782.36 and 51,690.18 is: 77,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,845.66 : 290,782.36 = 51,690.18 : x
  2. Step 2: Convert to fraction form
    193,845.66/290,782.36 = 51,690.18/x
  3. Step 3: Cross multiply
    193,845.66x = 290,782.36 × 51,690.18
  4. Step 4: Simplify right side
    193,845.66x = 15,030,593,684.27
  5. Step 5: Solve for x
    x = 15,030,593,684.27/193,845.66
  6. Step 6: Final answer
    x = 77,538.98

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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.