Home / 203,705.90-281,108.75-113,059.53

Finding the Fourth Proportional to 203,705.90, 281,108.75 and 113,059.53

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Solution

The fourth proportional to 203,705.90, 281,108.75 and 113,059.53 is: 156,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,705.90 : 281,108.75 = 113,059.53 : x
  2. Step 2: Convert to fraction form
    203,705.90/281,108.75 = 113,059.53/x
  3. Step 3: Cross multiply
    203,705.90x = 281,108.75 × 113,059.53
  4. Step 4: Simplify right side
    203,705.90x = 31,782,022,588.59
  5. Step 5: Solve for x
    x = 31,782,022,588.59/203,705.90
  6. Step 6: Final answer
    x = 156,019.15

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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.