Home / 166,029.30-249,163.61-66,131.69

Finding the Fourth Proportional to 166,029.30, 249,163.61 and 66,131.69

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Solution

The fourth proportional to 166,029.30, 249,163.61 and 66,131.69 is: 99,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,029.30 : 249,163.61 = 66,131.69 : x
  2. Step 2: Convert to fraction form
    166,029.30/249,163.61 = 66,131.69/x
  3. Step 3: Cross multiply
    166,029.30x = 249,163.61 × 66,131.69
  4. Step 4: Simplify right side
    166,029.30x = 16,477,609,039.32
  5. Step 5: Solve for x
    x = 16,477,609,039.32/166,029.30
  6. Step 6: Final answer
    x = 99,245.19

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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.