Home / 357,979.64-494,013.74-196,845.08

Finding the Fourth Proportional to 357,979.64, 494,013.74 and 196,845.08

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Solution

The fourth proportional to 357,979.64, 494,013.74 and 196,845.08 is: 271,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,979.64 : 494,013.74 = 196,845.08 : x
  2. Step 2: Convert to fraction form
    357,979.64/494,013.74 = 196,845.08/x
  3. Step 3: Cross multiply
    357,979.64x = 494,013.74 × 196,845.08
  4. Step 4: Simplify right side
    357,979.64x = 97,244,174,171.40
  5. Step 5: Solve for x
    x = 97,244,174,171.40/357,979.64
  6. Step 6: Final answer
    x = 271,647.22

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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.