Home / 185,145.28-255,406.44-108,614.32

Finding the Fourth Proportional to 185,145.28, 255,406.44 and 108,614.32

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Solution

The fourth proportional to 185,145.28, 255,406.44 and 108,614.32 is: 149,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,145.28 : 255,406.44 = 108,614.32 : x
  2. Step 2: Convert to fraction form
    185,145.28/255,406.44 = 108,614.32/x
  3. Step 3: Cross multiply
    185,145.28x = 255,406.44 × 108,614.32
  4. Step 4: Simplify right side
    185,145.28x = 27,740,796,804.22
  5. Step 5: Solve for x
    x = 27,740,796,804.22/185,145.28
  6. Step 6: Final answer
    x = 149,832.59

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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.