Home / 348,136.75-522,212.44-111,478.74

Finding the Fourth Proportional to 348,136.75, 522,212.44 and 111,478.74

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Solution

The fourth proportional to 348,136.75, 522,212.44 and 111,478.74 is: 167,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,136.75 : 522,212.44 = 111,478.74 : x
  2. Step 2: Convert to fraction form
    348,136.75/522,212.44 = 111,478.74/x
  3. Step 3: Cross multiply
    348,136.75x = 522,212.44 × 111,478.74
  4. Step 4: Simplify right side
    348,136.75x = 58,215,584,823.53
  5. Step 5: Solve for x
    x = 58,215,584,823.53/348,136.75
  6. Step 6: Final answer
    x = 167,220.45

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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.