Home / 97,745.20-146,603.40-27,631.60

Finding the Fourth Proportional to 97,745.20, 146,603.40 and 27,631.60

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Solution

The fourth proportional to 97,745.20, 146,603.40 and 27,631.60 is: 41,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,745.20 : 146,603.40 = 27,631.60 : x
  2. Step 2: Convert to fraction form
    97,745.20/146,603.40 = 27,631.60/x
  3. Step 3: Cross multiply
    97,745.20x = 146,603.40 × 27,631.60
  4. Step 4: Simplify right side
    97,745.20x = 4,050,886,507.44
  5. Step 5: Solve for x
    x = 4,050,886,507.44/97,745.20
  6. Step 6: Final answer
    x = 41,443.33

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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.