Home / 645,928.04-969,099.53-196,735.86

Finding the Fourth Proportional to 645,928.04, 969,099.53 and 196,735.86

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Solution

The fourth proportional to 645,928.04, 969,099.53 and 196,735.86 is: 295,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,928.04 : 969,099.53 = 196,735.86 : x
  2. Step 2: Convert to fraction form
    645,928.04/969,099.53 = 196,735.86/x
  3. Step 3: Cross multiply
    645,928.04x = 969,099.53 × 196,735.86
  4. Step 4: Simplify right side
    645,928.04x = 190,656,628,476.47
  5. Step 5: Solve for x
    x = 190,656,628,476.47/645,928.04
  6. Step 6: Final answer
    x = 295,166.98

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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.