Home / 285,551.90-393,427.22-188,583.56

Finding the Fourth Proportional to 285,551.90, 393,427.22 and 188,583.56

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Solution

The fourth proportional to 285,551.90, 393,427.22 and 188,583.56 is: 259,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,551.90 : 393,427.22 = 188,583.56 : x
  2. Step 2: Convert to fraction form
    285,551.90/393,427.22 = 188,583.56/x
  3. Step 3: Cross multiply
    285,551.90x = 393,427.22 × 188,583.56
  4. Step 4: Simplify right side
    285,551.90x = 74,193,905,748.50
  5. Step 5: Solve for x
    x = 74,193,905,748.50/285,551.90
  6. Step 6: Final answer
    x = 259,826.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.