Home / 189,115.32-260,975.41-104,232.38

Finding the Fourth Proportional to 189,115.32, 260,975.41 and 104,232.38

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Solution

The fourth proportional to 189,115.32, 260,975.41 and 104,232.38 is: 143,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,115.32 : 260,975.41 = 104,232.38 : x
  2. Step 2: Convert to fraction form
    189,115.32/260,975.41 = 104,232.38/x
  3. Step 3: Cross multiply
    189,115.32x = 260,975.41 × 104,232.38
  4. Step 4: Simplify right side
    189,115.32x = 27,202,088,497.63
  5. Step 5: Solve for x
    x = 27,202,088,497.63/189,115.32
  6. Step 6: Final answer
    x = 143,838.63

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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.