Home / 185,639.33-256,175.43-100,754.57

Finding the Fourth Proportional to 185,639.33, 256,175.43 and 100,754.57

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Solution

The fourth proportional to 185,639.33, 256,175.43 and 100,754.57 is: 139,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,639.33 : 256,175.43 = 100,754.57 : x
  2. Step 2: Convert to fraction form
    185,639.33/256,175.43 = 100,754.57/x
  3. Step 3: Cross multiply
    185,639.33x = 256,175.43 × 100,754.57
  4. Step 4: Simplify right side
    185,639.33x = 25,810,845,556.82
  5. Step 5: Solve for x
    x = 25,810,845,556.82/185,639.33
  6. Step 6: Final answer
    x = 139,037.59

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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.