Home / 185,653.40-256,194.82-100,768.64

Finding the Fourth Proportional to 185,653.40, 256,194.82 and 100,768.64

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Solution

The fourth proportional to 185,653.40, 256,194.82 and 100,768.64 is: 139,056.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,653.40 : 256,194.82 = 100,768.64 : x
  2. Step 2: Convert to fraction form
    185,653.40/256,194.82 = 100,768.64/x
  3. Step 3: Cross multiply
    185,653.40x = 256,194.82 × 100,768.64
  4. Step 4: Simplify right side
    185,653.40x = 25,816,403,586.44
  5. Step 5: Solve for x
    x = 25,816,403,586.44/185,653.40
  6. Step 6: Final answer
    x = 139,056.99

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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.