Home / 358,119.18-494,204.73-196,986.50

Finding the Fourth Proportional to 358,119.18, 494,204.73 and 196,986.50

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Solution

The fourth proportional to 358,119.18, 494,204.73 and 196,986.50 is: 271,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,119.18 : 494,204.73 = 196,986.50 : x
  2. Step 2: Convert to fraction form
    358,119.18/494,204.73 = 196,986.50/x
  3. Step 3: Cross multiply
    358,119.18x = 494,204.73 × 196,986.50
  4. Step 4: Simplify right side
    358,119.18x = 97,351,657,575.12
  5. Step 5: Solve for x
    x = 97,351,657,575.12/358,119.18
  6. Step 6: Final answer
    x = 271,841.51

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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.