Home / 189,193.36-261,081.84-104,308.24

Finding the Fourth Proportional to 189,193.36, 261,081.84 and 104,308.24

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Solution

The fourth proportional to 189,193.36, 261,081.84 and 104,308.24 is: 143,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,193.36 : 261,081.84 = 104,308.24 : x
  2. Step 2: Convert to fraction form
    189,193.36/261,081.84 = 104,308.24/x
  3. Step 3: Cross multiply
    189,193.36x = 261,081.84 × 104,308.24
  4. Step 4: Simplify right side
    189,193.36x = 27,232,987,226.36
  5. Step 5: Solve for x
    x = 27,232,987,226.36/189,193.36
  6. Step 6: Final answer
    x = 143,942.62

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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.