Home / 188,727.84-260,455.44-108,180.32

Finding the Fourth Proportional to 188,727.84, 260,455.44 and 108,180.32

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Solution

The fourth proportional to 188,727.84, 260,455.44 and 108,180.32 is: 149,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,727.84 : 260,455.44 = 108,180.32 : x
  2. Step 2: Convert to fraction form
    188,727.84/260,455.44 = 108,180.32/x
  3. Step 3: Cross multiply
    188,727.84x = 260,455.44 × 108,180.32
  4. Step 4: Simplify right side
    188,727.84x = 28,176,152,844.94
  5. Step 5: Solve for x
    x = 28,176,152,844.94/188,727.84
  6. Step 6: Final answer
    x = 149,295.16

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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.