Home / 203,583.44-280,945.86-112,941.20

Finding the Fourth Proportional to 203,583.44, 280,945.86 and 112,941.20

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Solution

The fourth proportional to 203,583.44, 280,945.86 and 112,941.20 is: 155,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,583.44 : 280,945.86 = 112,941.20 : x
  2. Step 2: Convert to fraction form
    203,583.44/280,945.86 = 112,941.20/x
  3. Step 3: Cross multiply
    203,583.44x = 280,945.86 × 112,941.20
  4. Step 4: Simplify right side
    203,583.44x = 31,730,362,563.43
  5. Step 5: Solve for x
    x = 31,730,362,563.43/203,583.44
  6. Step 6: Final answer
    x = 155,859.25

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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.