Home / 283,413.36-391,138.07-211,668.83

Finding the Fourth Proportional to 283,413.36, 391,138.07 and 211,668.83

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Solution

The fourth proportional to 283,413.36, 391,138.07 and 211,668.83 is: 292,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,413.36 : 391,138.07 = 211,668.83 : x
  2. Step 2: Convert to fraction form
    283,413.36/391,138.07 = 211,668.83/x
  3. Step 3: Cross multiply
    283,413.36x = 391,138.07 × 211,668.83
  4. Step 4: Simplify right side
    283,413.36x = 82,791,734,631.32
  5. Step 5: Solve for x
    x = 82,791,734,631.32/283,413.36
  6. Step 6: Final answer
    x = 292,123.61

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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.