Home / 193,399.07-290,032.91-67,009.82

Finding the Fourth Proportional to 193,399.07, 290,032.91 and 67,009.82

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Solution

The fourth proportional to 193,399.07, 290,032.91 and 67,009.82 is: 100,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,399.07 : 290,032.91 = 67,009.82 : x
  2. Step 2: Convert to fraction form
    193,399.07/290,032.91 = 67,009.82/x
  3. Step 3: Cross multiply
    193,399.07x = 290,032.91 × 67,009.82
  4. Step 4: Simplify right side
    193,399.07x = 19,435,051,307.96
  5. Step 5: Solve for x
    x = 19,435,051,307.96/193,399.07
  6. Step 6: Final answer
    x = 100,491.96

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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.