Home / 193,794.18-290,690.91-51,639.54

Finding the Fourth Proportional to 193,794.18, 290,690.91 and 51,639.54

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Solution

The fourth proportional to 193,794.18, 290,690.91 and 51,639.54 is: 77,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,794.18 : 290,690.91 = 51,639.54 : x
  2. Step 2: Convert to fraction form
    193,794.18/290,690.91 = 51,639.54/x
  3. Step 3: Cross multiply
    193,794.18x = 290,690.91 × 51,639.54
  4. Step 4: Simplify right side
    193,794.18x = 15,011,144,874.58
  5. Step 5: Solve for x
    x = 15,011,144,874.58/193,794.18
  6. Step 6: Final answer
    x = 77,459.21

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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.