Home / 193,553.86-290,282.07-68,865.70

Finding the Fourth Proportional to 193,553.86, 290,282.07 and 68,865.70

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Solution

The fourth proportional to 193,553.86, 290,282.07 and 68,865.70 is: 103,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,553.86 : 290,282.07 = 68,865.70 : x
  2. Step 2: Convert to fraction form
    193,553.86/290,282.07 = 68,865.70/x
  3. Step 3: Cross multiply
    193,553.86x = 290,282.07 × 68,865.70
  4. Step 4: Simplify right side
    193,553.86x = 19,990,477,948.00
  5. Step 5: Solve for x
    x = 19,990,477,948.00/193,553.86
  6. Step 6: Final answer
    x = 103,281.22

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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.