Home / 339,867.63-469,021.59-186,922.62

Finding the Fourth Proportional to 339,867.63, 469,021.59 and 186,922.62

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Solution

The fourth proportional to 339,867.63, 469,021.59 and 186,922.62 is: 257,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,867.63 : 469,021.59 = 186,922.62 : x
  2. Step 2: Convert to fraction form
    339,867.63/469,021.59 = 186,922.62/x
  3. Step 3: Cross multiply
    339,867.63x = 469,021.59 × 186,922.62
  4. Step 4: Simplify right side
    339,867.63x = 87,670,744,439.37
  5. Step 5: Solve for x
    x = 87,670,744,439.37/339,867.63
  6. Step 6: Final answer
    x = 257,955.56

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1.5x scale

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.