Home / 189,140.34-261,015.42-104,260.44

Finding the Fourth Proportional to 189,140.34, 261,015.42 and 104,260.44

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Solution

The fourth proportional to 189,140.34, 261,015.42 and 104,260.44 is: 143,880.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,140.34 : 261,015.42 = 104,260.44 : x
  2. Step 2: Convert to fraction form
    189,140.34/261,015.42 = 104,260.44/x
  3. Step 3: Cross multiply
    189,140.34x = 261,015.42 × 104,260.44
  4. Step 4: Simplify right side
    189,140.34x = 27,213,582,535.98
  5. Step 5: Solve for x
    x = 27,213,582,535.98/189,140.34
  6. Step 6: Final answer
    x = 143,880.37

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1.5x scale

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.