Home / 218,052.46-327,205.58-91,683.55

Finding the Fourth Proportional to 218,052.46, 327,205.58 and 91,683.55

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Solution

The fourth proportional to 218,052.46, 327,205.58 and 91,683.55 is: 137,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,052.46 : 327,205.58 = 91,683.55 : x
  2. Step 2: Convert to fraction form
    218,052.46/327,205.58 = 91,683.55/x
  3. Step 3: Cross multiply
    218,052.46x = 327,205.58 × 91,683.55
  4. Step 4: Simplify right side
    218,052.46x = 29,999,369,154.21
  5. Step 5: Solve for x
    x = 29,999,369,154.21/218,052.46
  6. Step 6: Final answer
    x = 137,578.68

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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.