Home / 193,631.86-290,561.47-81,303.44

Finding the Fourth Proportional to 193,631.86, 290,561.47 and 81,303.44

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Solution

The fourth proportional to 193,631.86, 290,561.47 and 81,303.44 is: 122,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,631.86 : 290,561.47 = 81,303.44 : x
  2. Step 2: Convert to fraction form
    193,631.86/290,561.47 = 81,303.44/x
  3. Step 3: Cross multiply
    193,631.86x = 290,561.47 × 81,303.44
  4. Step 4: Simplify right side
    193,631.86x = 23,623,647,042.46
  5. Step 5: Solve for x
    x = 23,623,647,042.46/193,631.86
  6. Step 6: Final answer
    x = 122,002.89

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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.