Home / 268,016.36-369,488.94-219,448.76

Finding the Fourth Proportional to 268,016.36, 369,488.94 and 219,448.76

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Solution

The fourth proportional to 268,016.36, 369,488.94 and 219,448.76 is: 302,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,016.36 : 369,488.94 = 219,448.76 : x
  2. Step 2: Convert to fraction form
    268,016.36/369,488.94 = 219,448.76/x
  3. Step 3: Cross multiply
    268,016.36x = 369,488.94 × 219,448.76
  4. Step 4: Simplify right side
    268,016.36x = 81,083,889,716.71
  5. Step 5: Solve for x
    x = 81,083,889,716.71/268,016.36
  6. Step 6: Final answer
    x = 302,533.36

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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.