Home / 213,916.46-320,413.36-201,340.13

Finding the Fourth Proportional to 213,916.46, 320,413.36 and 201,340.13

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Solution

The fourth proportional to 213,916.46, 320,413.36 and 201,340.13 is: 301,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,916.46 : 320,413.36 = 201,340.13 : x
  2. Step 2: Convert to fraction form
    213,916.46/320,413.36 = 201,340.13/x
  3. Step 3: Cross multiply
    213,916.46x = 320,413.36 × 201,340.13
  4. Step 4: Simplify right side
    213,916.46x = 64,512,067,853.82
  5. Step 5: Solve for x
    x = 64,512,067,853.82/213,916.46
  6. Step 6: Final answer
    x = 301,575.98

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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.