Home / 332,686.43-459,111.69-189,447.03

Finding the Fourth Proportional to 332,686.43, 459,111.69 and 189,447.03

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Solution

The fourth proportional to 332,686.43, 459,111.69 and 189,447.03 is: 261,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,686.43 : 459,111.69 = 189,447.03 : x
  2. Step 2: Convert to fraction form
    332,686.43/459,111.69 = 189,447.03/x
  3. Step 3: Cross multiply
    332,686.43x = 459,111.69 × 189,447.03
  4. Step 4: Simplify right side
    332,686.43x = 86,977,346,108.78
  5. Step 5: Solve for x
    x = 86,977,346,108.78/332,686.43
  6. Step 6: Final answer
    x = 261,439.42

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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.