Home / 357,213.72-492,979.56-236,145.04

Finding the Fourth Proportional to 357,213.72, 492,979.56 and 236,145.04

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Solution

The fourth proportional to 357,213.72, 492,979.56 and 236,145.04 is: 325,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,213.72 : 492,979.56 = 236,145.04 : x
  2. Step 2: Convert to fraction form
    357,213.72/492,979.56 = 236,145.04/x
  3. Step 3: Cross multiply
    357,213.72x = 492,979.56 × 236,145.04
  4. Step 4: Simplify right side
    357,213.72x = 116,414,677,915.38
  5. Step 5: Solve for x
    x = 116,414,677,915.38/357,213.72
  6. Step 6: Final answer
    x = 325,896.44

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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.