Home / 135,611.46-203,430.86-35,778.55

Finding the Fourth Proportional to 135,611.46, 203,430.86 and 35,778.55

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Solution

The fourth proportional to 135,611.46, 203,430.86 and 35,778.55 is: 53,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,611.46 : 203,430.86 = 35,778.55 : x
  2. Step 2: Convert to fraction form
    135,611.46/203,430.86 = 35,778.55/x
  3. Step 3: Cross multiply
    135,611.46x = 203,430.86 × 35,778.55
  4. Step 4: Simplify right side
    135,611.46x = 7,278,461,196.05
  5. Step 5: Solve for x
    x = 7,278,461,196.05/135,611.46
  6. Step 6: Final answer
    x = 53,671.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.