Home / 216,049.32-298,201.44-131,237.46

Finding the Fourth Proportional to 216,049.32, 298,201.44 and 131,237.46

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Solution

The fourth proportional to 216,049.32, 298,201.44 and 131,237.46 is: 181,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,049.32 : 298,201.44 = 131,237.46 : x
  2. Step 2: Convert to fraction form
    216,049.32/298,201.44 = 131,237.46/x
  3. Step 3: Cross multiply
    216,049.32x = 298,201.44 × 131,237.46
  4. Step 4: Simplify right side
    216,049.32x = 39,135,199,553.94
  5. Step 5: Solve for x
    x = 39,135,199,553.94/216,049.32
  6. Step 6: Final answer
    x = 181,140.12

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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.