Home / 357,689.37-493,611.19-196,554.81

Finding the Fourth Proportional to 357,689.37, 493,611.19 and 196,554.81

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Solution

The fourth proportional to 357,689.37, 493,611.19 and 196,554.81 is: 271,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,689.37 : 493,611.19 = 196,554.81 : x
  2. Step 2: Convert to fraction form
    357,689.37/493,611.19 = 196,554.81/x
  3. Step 3: Cross multiply
    357,689.37x = 493,611.19 × 196,554.81
  4. Step 4: Simplify right side
    357,689.37x = 97,021,653,664.32
  5. Step 5: Solve for x
    x = 97,021,653,664.32/357,689.37
  6. Step 6: Final answer
    x = 271,245.56

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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.