Home / 357,979.50-493,999.07-196,833.42

Finding the Fourth Proportional to 357,979.50, 493,999.07 and 196,833.42

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Solution

The fourth proportional to 357,979.50, 493,999.07 and 196,833.42 is: 271,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,979.50 : 493,999.07 = 196,833.42 : x
  2. Step 2: Convert to fraction form
    357,979.50/493,999.07 = 196,833.42/x
  3. Step 3: Cross multiply
    357,979.50x = 493,999.07 × 196,833.42
  4. Step 4: Simplify right side
    357,979.50x = 97,235,525,440.75
  5. Step 5: Solve for x
    x = 97,235,525,440.75/357,979.50
  6. Step 6: Final answer
    x = 271,623.17

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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.