Home / 203,999.08-281,401.44-127,385.14

Finding the Fourth Proportional to 203,999.08, 281,401.44 and 127,385.14

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Solution

The fourth proportional to 203,999.08, 281,401.44 and 127,385.14 is: 175,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,999.08 : 281,401.44 = 127,385.14 : x
  2. Step 2: Convert to fraction form
    203,999.08/281,401.44 = 127,385.14/x
  3. Step 3: Cross multiply
    203,999.08x = 281,401.44 × 127,385.14
  4. Step 4: Simplify right side
    203,999.08x = 35,846,361,830.60
  5. Step 5: Solve for x
    x = 35,846,361,830.60/203,999.08
  6. Step 6: Final answer
    x = 175,718.25

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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.