Home / 126,963.02-190,469.44-47,001.60

Finding the Fourth Proportional to 126,963.02, 190,469.44 and 47,001.60

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Solution

The fourth proportional to 126,963.02, 190,469.44 and 47,001.60 is: 70,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,963.02 : 190,469.44 = 47,001.60 : x
  2. Step 2: Convert to fraction form
    126,963.02/190,469.44 = 47,001.60/x
  3. Step 3: Cross multiply
    126,963.02x = 190,469.44 × 47,001.60
  4. Step 4: Simplify right side
    126,963.02x = 8,952,368,431.10
  5. Step 5: Solve for x
    x = 8,952,368,431.10/126,963.02
  6. Step 6: Final answer
    x = 70,511.62

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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.