Home / 236,716.39-326,663.55-129,286.84

Finding the Fourth Proportional to 236,716.39, 326,663.55 and 129,286.84

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Solution

The fourth proportional to 236,716.39, 326,663.55 and 129,286.84 is: 178,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,716.39 : 326,663.55 = 129,286.84 : x
  2. Step 2: Convert to fraction form
    236,716.39/326,663.55 = 129,286.84/x
  3. Step 3: Cross multiply
    236,716.39x = 326,663.55 × 129,286.84
  4. Step 4: Simplify right side
    236,716.39x = 42,233,296,489.36
  5. Step 5: Solve for x
    x = 42,233,296,489.36/236,716.39
  6. Step 6: Final answer
    x = 178,413.07

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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.