Home / 331,404.75-457,339.47-188,187.23

Finding the Fourth Proportional to 331,404.75, 457,339.47 and 188,187.23

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Solution

The fourth proportional to 331,404.75, 457,339.47 and 188,187.23 is: 259,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,404.75 : 457,339.47 = 188,187.23 : x
  2. Step 2: Convert to fraction form
    331,404.75/457,339.47 = 188,187.23/x
  3. Step 3: Cross multiply
    331,404.75x = 457,339.47 × 188,187.23
  4. Step 4: Simplify right side
    331,404.75x = 86,065,448,466.61
  5. Step 5: Solve for x
    x = 86,065,448,466.61/331,404.75
  6. Step 6: Final answer
    x = 259,698.90

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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.