Home / 154,616.33-213,371.34-86,633.44

Finding the Fourth Proportional to 154,616.33, 213,371.34 and 86,633.44

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Solution

The fourth proportional to 154,616.33, 213,371.34 and 86,633.44 is: 119,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,616.33 : 213,371.34 = 86,633.44 : x
  2. Step 2: Convert to fraction form
    154,616.33/213,371.34 = 86,633.44/x
  3. Step 3: Cross multiply
    154,616.33x = 213,371.34 × 86,633.44
  4. Step 4: Simplify right side
    154,616.33x = 18,485,093,181.61
  5. Step 5: Solve for x
    x = 18,485,093,181.61/154,616.33
  6. Step 6: Final answer
    x = 119,554.60

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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.