Home / 203,703.72-281,124.27-113,059.69

Finding the Fourth Proportional to 203,703.72, 281,124.27 and 113,059.69

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Solution

The fourth proportional to 203,703.72, 281,124.27 and 113,059.69 is: 156,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,703.72 : 281,124.27 = 113,059.69 : x
  2. Step 2: Convert to fraction form
    203,703.72/281,124.27 = 113,059.69/x
  3. Step 3: Cross multiply
    203,703.72x = 281,124.27 × 113,059.69
  4. Step 4: Simplify right side
    203,703.72x = 31,783,822,817.68
  5. Step 5: Solve for x
    x = 31,783,822,817.68/203,703.72
  6. Step 6: Final answer
    x = 156,029.66

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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.