Home / 185,628.02-256,166.82-100,745.07

Finding the Fourth Proportional to 185,628.02, 256,166.82 and 100,745.07

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Solution

The fourth proportional to 185,628.02, 256,166.82 and 100,745.07 is: 139,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.02 : 256,166.82 = 100,745.07 : x
  2. Step 2: Convert to fraction form
    185,628.02/256,166.82 = 100,745.07/x
  3. Step 3: Cross multiply
    185,628.02x = 256,166.82 × 100,745.07
  4. Step 4: Simplify right side
    185,628.02x = 25,807,544,212.58
  5. Step 5: Solve for x
    x = 25,807,544,212.58/185,628.02
  6. Step 6: Final answer
    x = 139,028.28

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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.