Home / 357,558.16-493,433.04-196,414.96

Finding the Fourth Proportional to 357,558.16, 493,433.04 and 196,414.96

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Solution

The fourth proportional to 357,558.16, 493,433.04 and 196,414.96 is: 271,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,558.16 : 493,433.04 = 196,414.96 : x
  2. Step 2: Convert to fraction form
    357,558.16/493,433.04 = 196,414.96/x
  3. Step 3: Cross multiply
    357,558.16x = 493,433.04 × 196,414.96
  4. Step 4: Simplify right side
    357,558.16x = 96,917,630,814.28
  5. Step 5: Solve for x
    x = 96,917,630,814.28/357,558.16
  6. Step 6: Final answer
    x = 271,054.17

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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.