Home / 332,629.78-459,029.54-189,389.88

Finding the Fourth Proportional to 332,629.78, 459,029.54 and 189,389.88

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Solution

The fourth proportional to 332,629.78, 459,029.54 and 189,389.88 is: 261,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,629.78 : 459,029.54 = 189,389.88 : x
  2. Step 2: Convert to fraction form
    332,629.78/459,029.54 = 189,389.88/x
  3. Step 3: Cross multiply
    332,629.78x = 459,029.54 × 189,389.88
  4. Step 4: Simplify right side
    332,629.78x = 86,935,549,497.06
  5. Step 5: Solve for x
    x = 86,935,549,497.06/332,629.78
  6. Step 6: Final answer
    x = 261,358.29

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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.