Home / 262,543.20-393,158.70-173,313.60

Finding the Fourth Proportional to 262,543.20, 393,158.70 and 173,313.60

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Solution

The fourth proportional to 262,543.20, 393,158.70 and 173,313.60 is: 259,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,543.20 : 393,158.70 = 173,313.60 : x
  2. Step 2: Convert to fraction form
    262,543.20/393,158.70 = 173,313.60/x
  3. Step 3: Cross multiply
    262,543.20x = 393,158.70 × 173,313.60
  4. Step 4: Simplify right side
    262,543.20x = 68,139,749,668.32
  5. Step 5: Solve for x
    x = 68,139,749,668.32/262,543.20
  6. Step 6: Final answer
    x = 259,537.29

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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.