Home / 357,869.12-493,870.44-196,736.48

Finding the Fourth Proportional to 357,869.12, 493,870.44 and 196,736.48

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Solution

The fourth proportional to 357,869.12, 493,870.44 and 196,736.48 is: 271,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,869.12 : 493,870.44 = 196,736.48 : x
  2. Step 2: Convert to fraction form
    357,869.12/493,870.44 = 196,736.48/x
  3. Step 3: Cross multiply
    357,869.12x = 493,870.44 × 196,736.48
  4. Step 4: Simplify right side
    357,869.12x = 97,162,331,941.65
  5. Step 5: Solve for x
    x = 97,162,331,941.65/357,869.12
  6. Step 6: Final answer
    x = 271,502.42

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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.