Home / 286,009.35-394,595.14-163,413.77

Finding the Fourth Proportional to 286,009.35, 394,595.14 and 163,413.77

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Solution

The fourth proportional to 286,009.35, 394,595.14 and 163,413.77 is: 225,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,009.35 : 394,595.14 = 163,413.77 : x
  2. Step 2: Convert to fraction form
    286,009.35/394,595.14 = 163,413.77/x
  3. Step 3: Cross multiply
    286,009.35x = 394,595.14 × 163,413.77
  4. Step 4: Simplify right side
    286,009.35x = 64,482,277,069.57
  5. Step 5: Solve for x
    x = 64,482,277,069.57/286,009.35
  6. Step 6: Final answer
    x = 225,455.14

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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.