Home / 357,971.36-494,000.56-196,837.30

Finding the Fourth Proportional to 357,971.36, 494,000.56 and 196,837.30

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Solution

The fourth proportional to 357,971.36, 494,000.56 and 196,837.30 is: 271,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,971.36 : 494,000.56 = 196,837.30 : x
  2. Step 2: Convert to fraction form
    357,971.36/494,000.56 = 196,837.30/x
  3. Step 3: Cross multiply
    357,971.36x = 494,000.56 × 196,837.30
  4. Step 4: Simplify right side
    357,971.36x = 97,237,736,428.89
  5. Step 5: Solve for x
    x = 97,237,736,428.89/357,971.36
  6. Step 6: Final answer
    x = 271,635.52

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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.