Home / 193,762.24-290,698.94-81,384.66

Finding the Fourth Proportional to 193,762.24, 290,698.94 and 81,384.66

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Solution

The fourth proportional to 193,762.24, 290,698.94 and 81,384.66 is: 122,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,762.24 : 290,698.94 = 81,384.66 : x
  2. Step 2: Convert to fraction form
    193,762.24/290,698.94 = 81,384.66/x
  3. Step 3: Cross multiply
    193,762.24x = 290,698.94 × 81,384.66
  4. Step 4: Simplify right side
    193,762.24x = 23,658,434,597.72
  5. Step 5: Solve for x
    x = 23,658,434,597.72/193,762.24
  6. Step 6: Final answer
    x = 122,100.34

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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.