Home / 185,644.27-256,185.88-100,759.51

Finding the Fourth Proportional to 185,644.27, 256,185.88 and 100,759.51

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Solution

The fourth proportional to 185,644.27, 256,185.88 and 100,759.51 is: 139,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,644.27 : 256,185.88 = 100,759.51 : x
  2. Step 2: Convert to fraction form
    185,644.27/256,185.88 = 100,759.51/x
  3. Step 3: Cross multiply
    185,644.27x = 256,185.88 × 100,759.51
  4. Step 4: Simplify right side
    185,644.27x = 25,813,163,737.72
  5. Step 5: Solve for x
    x = 25,813,163,737.72/185,644.27
  6. Step 6: Final answer
    x = 139,046.38

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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.