Home / 109,896.12-164,610.88-74,379.24

Finding the Fourth Proportional to 109,896.12, 164,610.88 and 74,379.24

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Solution

The fourth proportional to 109,896.12, 164,610.88 and 74,379.24 is: 111,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,896.12 : 164,610.88 = 74,379.24 : x
  2. Step 2: Convert to fraction form
    109,896.12/164,610.88 = 74,379.24/x
  3. Step 3: Cross multiply
    109,896.12x = 164,610.88 × 74,379.24
  4. Step 4: Simplify right side
    109,896.12x = 12,243,632,150.13
  5. Step 5: Solve for x
    x = 12,243,632,150.13/109,896.12
  6. Step 6: Final answer
    x = 111,410.96

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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.