Home / 106,657.32-159,745.40-82,774.06

Finding the Fourth Proportional to 106,657.32, 159,745.40 and 82,774.06

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Solution

The fourth proportional to 106,657.32, 159,745.40 and 82,774.06 is: 123,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,657.32 : 159,745.40 = 82,774.06 : x
  2. Step 2: Convert to fraction form
    106,657.32/159,745.40 = 82,774.06/x
  3. Step 3: Cross multiply
    106,657.32x = 159,745.40 × 82,774.06
  4. Step 4: Simplify right side
    106,657.32x = 13,222,775,324.32
  5. Step 5: Solve for x
    x = 13,222,775,324.32/106,657.32
  6. Step 6: Final answer
    x = 123,974.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.