Home / 286,907.12-396,015.18-191,413.56

Finding the Fourth Proportional to 286,907.12, 396,015.18 and 191,413.56

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Solution

The fourth proportional to 286,907.12, 396,015.18 and 191,413.56 is: 264,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,907.12 : 396,015.18 = 191,413.56 : x
  2. Step 2: Convert to fraction form
    286,907.12/396,015.18 = 191,413.56/x
  3. Step 3: Cross multiply
    286,907.12x = 396,015.18 × 191,413.56
  4. Step 4: Simplify right side
    286,907.12x = 75,802,675,417.84
  5. Step 5: Solve for x
    x = 75,802,675,417.84/286,907.12
  6. Step 6: Final answer
    x = 264,206.32

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1.5x scale

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.