Home / 185,628.02-256,166.75-100,745.08

Finding the Fourth Proportional to 185,628.02, 256,166.75 and 100,745.08

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Solution

The fourth proportional to 185,628.02, 256,166.75 and 100,745.08 is: 139,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.02 : 256,166.75 = 100,745.08 : x
  2. Step 2: Convert to fraction form
    185,628.02/256,166.75 = 100,745.08/x
  3. Step 3: Cross multiply
    185,628.02x = 256,166.75 × 100,745.08
  4. Step 4: Simplify right side
    185,628.02x = 25,807,539,333.54
  5. Step 5: Solve for x
    x = 25,807,539,333.54/185,628.02
  6. Step 6: Final answer
    x = 139,028.26

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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.