Home / 120,745.08-181,137.06-50,631.48

Finding the Fourth Proportional to 120,745.08, 181,137.06 and 50,631.48

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Solution

The fourth proportional to 120,745.08, 181,137.06 and 50,631.48 is: 75,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,745.08 : 181,137.06 = 50,631.48 : x
  2. Step 2: Convert to fraction form
    120,745.08/181,137.06 = 50,631.48/x
  3. Step 3: Cross multiply
    120,745.08x = 181,137.06 × 50,631.48
  4. Step 4: Simplify right side
    120,745.08x = 9,171,237,430.65
  5. Step 5: Solve for x
    x = 9,171,237,430.65/120,745.08
  6. Step 6: Final answer
    x = 75,955.37

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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.