Home / 193,487.99-290,119.22-75,020.93

Finding the Fourth Proportional to 193,487.99, 290,119.22 and 75,020.93

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Solution

The fourth proportional to 193,487.99, 290,119.22 and 75,020.93 is: 112,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,487.99 : 290,119.22 = 75,020.93 : x
  2. Step 2: Convert to fraction form
    193,487.99/290,119.22 = 75,020.93/x
  3. Step 3: Cross multiply
    193,487.99x = 290,119.22 × 75,020.93
  4. Step 4: Simplify right side
    193,487.99x = 21,765,014,870.77
  5. Step 5: Solve for x
    x = 21,765,014,870.77/193,487.99
  6. Step 6: Final answer
    x = 112,487.68

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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.