Home / 262,592.77-393,634.09-209,154.37

Finding the Fourth Proportional to 262,592.77, 393,634.09 and 209,154.37

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Solution

The fourth proportional to 262,592.77, 393,634.09 and 209,154.37 is: 313,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,592.77 : 393,634.09 = 209,154.37 : x
  2. Step 2: Convert to fraction form
    262,592.77/393,634.09 = 209,154.37/x
  3. Step 3: Cross multiply
    262,592.77x = 393,634.09 × 209,154.37
  4. Step 4: Simplify right side
    262,592.77x = 82,330,290,104.47
  5. Step 5: Solve for x
    x = 82,330,290,104.47/262,592.77
  6. Step 6: Final answer
    x = 313,528.40

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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.