Home / 254,912.69-382,420.08-142,752.41

Finding the Fourth Proportional to 254,912.69, 382,420.08 and 142,752.41

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Solution

The fourth proportional to 254,912.69, 382,420.08 and 142,752.41 is: 214,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,912.69 : 382,420.08 = 142,752.41 : x
  2. Step 2: Convert to fraction form
    254,912.69/382,420.08 = 142,752.41/x
  3. Step 3: Cross multiply
    254,912.69x = 382,420.08 × 142,752.41
  4. Step 4: Simplify right side
    254,912.69x = 54,591,388,052.39
  5. Step 5: Solve for x
    x = 54,591,388,052.39/254,912.69
  6. Step 6: Final answer
    x = 214,157.20

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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.