Home / 357,979.94-493,999.67-196,833.86

Finding the Fourth Proportional to 357,979.94, 493,999.67 and 196,833.86

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Solution

The fourth proportional to 357,979.94, 493,999.67 and 196,833.86 is: 271,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,979.94 : 493,999.67 = 196,833.86 : x
  2. Step 2: Convert to fraction form
    357,979.94/493,999.67 = 196,833.86/x
  3. Step 3: Cross multiply
    357,979.94x = 493,999.67 × 196,833.86
  4. Step 4: Simplify right side
    357,979.94x = 97,235,861,884.83
  5. Step 5: Solve for x
    x = 97,235,861,884.83/357,979.94
  6. Step 6: Final answer
    x = 271,623.77

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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.