Home / 336,743.40-505,095.26-126,363.56

Finding the Fourth Proportional to 336,743.40, 505,095.26 and 126,363.56

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Solution

The fourth proportional to 336,743.40, 505,095.26 and 126,363.56 is: 189,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,743.40 : 505,095.26 = 126,363.56 : x
  2. Step 2: Convert to fraction form
    336,743.40/505,095.26 = 126,363.56/x
  3. Step 3: Cross multiply
    336,743.40x = 505,095.26 × 126,363.56
  4. Step 4: Simplify right side
    336,743.40x = 63,825,635,192.73
  5. Step 5: Solve for x
    x = 63,825,635,192.73/336,743.40
  6. Step 6: Final answer
    x = 189,537.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.