Home / 199,553.76-275,403.60-149,165.28

Finding the Fourth Proportional to 199,553.76, 275,403.60 and 149,165.28

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Solution

The fourth proportional to 199,553.76, 275,403.60 and 149,165.28 is: 205,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,553.76 : 275,403.60 = 149,165.28 : x
  2. Step 2: Convert to fraction form
    199,553.76/275,403.60 = 149,165.28/x
  3. Step 3: Cross multiply
    199,553.76x = 275,403.60 × 149,165.28
  4. Step 4: Simplify right side
    199,553.76x = 41,080,655,107.01
  5. Step 5: Solve for x
    x = 41,080,655,107.01/199,553.76
  6. Step 6: Final answer
    x = 205,862.60

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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.