Home / 297,860.36-411,050.03-161,894.61

Finding the Fourth Proportional to 297,860.36, 411,050.03 and 161,894.61

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Solution

The fourth proportional to 297,860.36, 411,050.03 and 161,894.61 is: 223,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,860.36 : 411,050.03 = 161,894.61 : x
  2. Step 2: Convert to fraction form
    297,860.36/411,050.03 = 161,894.61/x
  3. Step 3: Cross multiply
    297,860.36x = 411,050.03 × 161,894.61
  4. Step 4: Simplify right side
    297,860.36x = 66,546,783,487.87
  5. Step 5: Solve for x
    x = 66,546,783,487.87/297,860.36
  6. Step 6: Final answer
    x = 223,416.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.