Home / 205,213.89-308,314.04-193,884.69

Finding the Fourth Proportional to 205,213.89, 308,314.04 and 193,884.69

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Solution

The fourth proportional to 205,213.89, 308,314.04 and 193,884.69 is: 291,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,213.89 : 308,314.04 = 193,884.69 : x
  2. Step 2: Convert to fraction form
    205,213.89/308,314.04 = 193,884.69/x
  3. Step 3: Cross multiply
    205,213.89x = 308,314.04 × 193,884.69
  4. Step 4: Simplify right side
    205,213.89x = 59,777,372,068.05
  5. Step 5: Solve for x
    x = 59,777,372,068.05/205,213.89
  6. Step 6: Final answer
    x = 291,293.01

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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.