Home / 185,481.08-255,965.32-100,598.12

Finding the Fourth Proportional to 185,481.08, 255,965.32 and 100,598.12

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Solution

The fourth proportional to 185,481.08, 255,965.32 and 100,598.12 is: 138,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,481.08 : 255,965.32 = 100,598.12 : x
  2. Step 2: Convert to fraction form
    185,481.08/255,965.32 = 100,598.12/x
  3. Step 3: Cross multiply
    185,481.08x = 255,965.32 × 100,598.12
  4. Step 4: Simplify right side
    185,481.08x = 25,749,629,977.20
  5. Step 5: Solve for x
    x = 25,749,629,977.20/185,481.08
  6. Step 6: Final answer
    x = 138,826.18

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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.