Home / 175,057.80-262,149.30-115,571.40

Finding the Fourth Proportional to 175,057.80, 262,149.30 and 115,571.40

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Solution

The fourth proportional to 175,057.80, 262,149.30 and 115,571.40 is: 173,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,057.80 : 262,149.30 = 115,571.40 : x
  2. Step 2: Convert to fraction form
    175,057.80/262,149.30 = 115,571.40/x
  3. Step 3: Cross multiply
    175,057.80x = 262,149.30 × 115,571.40
  4. Step 4: Simplify right side
    175,057.80x = 30,296,961,610.02
  5. Step 5: Solve for x
    x = 30,296,961,610.02/175,057.80
  6. Step 6: Final answer
    x = 173,068.33

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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.