Home / 189,396.64-261,382.11-108,852.26

Finding the Fourth Proportional to 189,396.64, 261,382.11 and 108,852.26

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Solution

The fourth proportional to 189,396.64, 261,382.11 and 108,852.26 is: 150,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,396.64 : 261,382.11 = 108,852.26 : x
  2. Step 2: Convert to fraction form
    189,396.64/261,382.11 = 108,852.26/x
  3. Step 3: Cross multiply
    189,396.64x = 261,382.11 × 108,852.26
  4. Step 4: Simplify right side
    189,396.64x = 28,452,033,397.07
  5. Step 5: Solve for x
    x = 28,452,033,397.07/189,396.64
  6. Step 6: Final answer
    x = 150,224.59

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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.