Home / 203,723.36-281,137.24-113,080.40

Finding the Fourth Proportional to 203,723.36, 281,137.24 and 113,080.40

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Solution

The fourth proportional to 203,723.36, 281,137.24 and 113,080.40 is: 156,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,723.36 : 281,137.24 = 113,080.40 : x
  2. Step 2: Convert to fraction form
    203,723.36/281,137.24 = 113,080.40/x
  3. Step 3: Cross multiply
    203,723.36x = 281,137.24 × 113,080.40
  4. Step 4: Simplify right side
    203,723.36x = 31,791,111,554.10
  5. Step 5: Solve for x
    x = 31,791,111,554.10/203,723.36
  6. Step 6: Final answer
    x = 156,050.40

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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.