Home / 135,753.50-203,635.74-64,639.55

Finding the Fourth Proportional to 135,753.50, 203,635.74 and 64,639.55

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Solution

The fourth proportional to 135,753.50, 203,635.74 and 64,639.55 is: 96,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,753.50 : 203,635.74 = 64,639.55 : x
  2. Step 2: Convert to fraction form
    135,753.50/203,635.74 = 64,639.55/x
  3. Step 3: Cross multiply
    135,753.50x = 203,635.74 × 64,639.55
  4. Step 4: Simplify right side
    135,753.50x = 13,162,922,597.52
  5. Step 5: Solve for x
    x = 13,162,922,597.52/135,753.50
  6. Step 6: Final answer
    x = 96,961.94

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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.