Home / 269,556.10-371,990.01-148,702.48

Finding the Fourth Proportional to 269,556.10, 371,990.01 and 148,702.48

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Solution

The fourth proportional to 269,556.10, 371,990.01 and 148,702.48 is: 205,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,556.10 : 371,990.01 = 148,702.48 : x
  2. Step 2: Convert to fraction form
    269,556.10/371,990.01 = 148,702.48/x
  3. Step 3: Cross multiply
    269,556.10x = 371,990.01 × 148,702.48
  4. Step 4: Simplify right side
    269,556.10x = 55,315,837,022.22
  5. Step 5: Solve for x
    x = 55,315,837,022.22/269,556.10
  6. Step 6: Final answer
    x = 205,210.85

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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.