Home / 203,939.01-281,435.58-113,303.34

Finding the Fourth Proportional to 203,939.01, 281,435.58 and 113,303.34

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Solution

The fourth proportional to 203,939.01, 281,435.58 and 113,303.34 is: 156,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,939.01 : 281,435.58 = 113,303.34 : x
  2. Step 2: Convert to fraction form
    203,939.01/281,435.58 = 113,303.34/x
  3. Step 3: Cross multiply
    203,939.01x = 281,435.58 × 113,303.34
  4. Step 4: Simplify right side
    203,939.01x = 31,887,591,208.84
  5. Step 5: Solve for x
    x = 31,887,591,208.84/203,939.01
  6. Step 6: Final answer
    x = 156,358.47

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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.