Home / 199,280.49-275,004.41-108,635.01

Finding the Fourth Proportional to 199,280.49, 275,004.41 and 108,635.01

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Solution

The fourth proportional to 199,280.49, 275,004.41 and 108,635.01 is: 149,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280.49 : 275,004.41 = 108,635.01 : x
  2. Step 2: Convert to fraction form
    199,280.49/275,004.41 = 108,635.01/x
  3. Step 3: Cross multiply
    199,280.49x = 275,004.41 × 108,635.01
  4. Step 4: Simplify right side
    199,280.49x = 29,875,106,830.39
  5. Step 5: Solve for x
    x = 29,875,106,830.39/199,280.49
  6. Step 6: Final answer
    x = 149,914.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.