Home / 216,525.83-324,623.18-131,118.11

Finding the Fourth Proportional to 216,525.83, 324,623.18 and 131,118.11

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Solution

The fourth proportional to 216,525.83, 324,623.18 and 131,118.11 is: 196,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,525.83 : 324,623.18 = 131,118.11 : x
  2. Step 2: Convert to fraction form
    216,525.83/324,623.18 = 131,118.11/x
  3. Step 3: Cross multiply
    216,525.83x = 324,623.18 × 131,118.11
  4. Step 4: Simplify right side
    216,525.83x = 42,563,977,168.20
  5. Step 5: Solve for x
    x = 42,563,977,168.20/216,525.83
  6. Step 6: Final answer
    x = 196,576.90

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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.