Home / 245,922.36-338,658.21-213,642.24

Finding the Fourth Proportional to 245,922.36, 338,658.21 and 213,642.24

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Solution

The fourth proportional to 245,922.36, 338,658.21 and 213,642.24 is: 294,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,922.36 : 338,658.21 = 213,642.24 : x
  2. Step 2: Convert to fraction form
    245,922.36/338,658.21 = 213,642.24/x
  3. Step 3: Cross multiply
    245,922.36x = 338,658.21 × 213,642.24
  4. Step 4: Simplify right side
    245,922.36x = 72,351,698,578.79
  5. Step 5: Solve for x
    x = 72,351,698,578.79/245,922.36
  6. Step 6: Final answer
    x = 294,205.45

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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.