Home / 150,870.44-208,205.69-82,891.64

Finding the Fourth Proportional to 150,870.44, 208,205.69 and 82,891.64

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Solution

The fourth proportional to 150,870.44, 208,205.69 and 82,891.64 is: 114,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,870.44 : 208,205.69 = 82,891.64 : x
  2. Step 2: Convert to fraction form
    150,870.44/208,205.69 = 82,891.64/x
  3. Step 3: Cross multiply
    150,870.44x = 208,205.69 × 82,891.64
  4. Step 4: Simplify right side
    150,870.44x = 17,258,509,645.95
  5. Step 5: Solve for x
    x = 17,258,509,645.95/150,870.44
  6. Step 6: Final answer
    x = 114,392.92

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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.