Home / 203,894.12-281,276.25-143,498.27

Finding the Fourth Proportional to 203,894.12, 281,276.25 and 143,498.27

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Solution

The fourth proportional to 203,894.12, 281,276.25 and 143,498.27 is: 197,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,894.12 : 281,276.25 = 143,498.27 : x
  2. Step 2: Convert to fraction form
    203,894.12/281,276.25 = 143,498.27/x
  3. Step 3: Cross multiply
    203,894.12x = 281,276.25 × 143,498.27
  4. Step 4: Simplify right side
    203,894.12x = 40,362,655,432.16
  5. Step 5: Solve for x
    x = 40,362,655,432.16/203,894.12
  6. Step 6: Final answer
    x = 197,958.90

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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.