Home / 262,296.10-393,739.80-173,722.60

Finding the Fourth Proportional to 262,296.10, 393,739.80 and 173,722.60

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Solution

The fourth proportional to 262,296.10, 393,739.80 and 173,722.60 is: 260,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,296.10 : 393,739.80 = 173,722.60 : x
  2. Step 2: Convert to fraction form
    262,296.10/393,739.80 = 173,722.60/x
  3. Step 3: Cross multiply
    262,296.10x = 393,739.80 × 173,722.60
  4. Step 4: Simplify right side
    262,296.10x = 68,401,501,779.48
  5. Step 5: Solve for x
    x = 68,401,501,779.48/262,296.10
  6. Step 6: Final answer
    x = 260,779.71

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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.