Home / 286,413.77-395,263.51-159,089.36

Finding the Fourth Proportional to 286,413.77, 395,263.51 and 159,089.36

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Solution

The fourth proportional to 286,413.77, 395,263.51 and 159,089.36 is: 219,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,413.77 : 395,263.51 = 159,089.36 : x
  2. Step 2: Convert to fraction form
    286,413.77/395,263.51 = 159,089.36/x
  3. Step 3: Cross multiply
    286,413.77x = 395,263.51 × 159,089.36
  4. Step 4: Simplify right side
    286,413.77x = 62,882,220,717.22
  5. Step 5: Solve for x
    x = 62,882,220,717.22/286,413.77
  6. Step 6: Final answer
    x = 219,550.27

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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.