Home / 199,541.49-275,373.09-108,903.27

Finding the Fourth Proportional to 199,541.49, 275,373.09 and 108,903.27

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Solution

The fourth proportional to 199,541.49, 275,373.09 and 108,903.27 is: 150,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,541.49 : 275,373.09 = 108,903.27 : x
  2. Step 2: Convert to fraction form
    199,541.49/275,373.09 = 108,903.27/x
  3. Step 3: Cross multiply
    199,541.49x = 275,373.09 × 108,903.27
  4. Step 4: Simplify right side
    199,541.49x = 29,989,030,379.39
  5. Step 5: Solve for x
    x = 29,989,030,379.39/199,541.49
  6. Step 6: Final answer
    x = 150,289.70

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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.