Home / 291,270.08-402,076.60-195,832.10

Finding the Fourth Proportional to 291,270.08, 402,076.60 and 195,832.10

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Solution

The fourth proportional to 291,270.08, 402,076.60 and 195,832.10 is: 270,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,270.08 : 402,076.60 = 195,832.10 : x
  2. Step 2: Convert to fraction form
    291,270.08/402,076.60 = 195,832.10/x
  3. Step 3: Cross multiply
    291,270.08x = 402,076.60 × 195,832.10
  4. Step 4: Simplify right side
    291,270.08x = 78,739,504,938.86
  5. Step 5: Solve for x
    x = 78,739,504,938.86/291,270.08
  6. Step 6: Final answer
    x = 270,331.59

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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.