Home / 174,986.40-262,609.20-69,880.80

Finding the Fourth Proportional to 174,986.40, 262,609.20 and 69,880.80

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Solution

The fourth proportional to 174,986.40, 262,609.20 and 69,880.80 is: 104,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,986.40 : 262,609.20 = 69,880.80 : x
  2. Step 2: Convert to fraction form
    174,986.40/262,609.20 = 69,880.80/x
  3. Step 3: Cross multiply
    174,986.40x = 262,609.20 × 69,880.80
  4. Step 4: Simplify right side
    174,986.40x = 18,351,340,983.36
  5. Step 5: Solve for x
    x = 18,351,340,983.36/174,986.40
  6. Step 6: Final answer
    x = 104,872.96

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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.