Home / 185,628.24-256,167.12-100,745.32

Finding the Fourth Proportional to 185,628.24, 256,167.12 and 100,745.32

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Solution

The fourth proportional to 185,628.24, 256,167.12 and 100,745.32 is: 139,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.24 : 256,167.12 = 100,745.32 : x
  2. Step 2: Convert to fraction form
    185,628.24/256,167.12 = 100,745.32/x
  3. Step 3: Cross multiply
    185,628.24x = 256,167.12 × 100,745.32
  4. Step 4: Simplify right side
    185,628.24x = 25,807,638,477.88
  5. Step 5: Solve for x
    x = 25,807,638,477.88/185,628.24
  6. Step 6: Final answer
    x = 139,028.62

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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.