Home / 218,297.36-301,291.62-136,663.58

Finding the Fourth Proportional to 218,297.36, 301,291.62 and 136,663.58

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Solution

The fourth proportional to 218,297.36, 301,291.62 and 136,663.58 is: 188,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,297.36 : 301,291.62 = 136,663.58 : x
  2. Step 2: Convert to fraction form
    218,297.36/301,291.62 = 136,663.58/x
  3. Step 3: Cross multiply
    218,297.36x = 301,291.62 × 136,663.58
  4. Step 4: Simplify right side
    218,297.36x = 41,175,591,413.20
  5. Step 5: Solve for x
    x = 41,175,591,413.20/218,297.36
  6. Step 6: Final answer
    x = 188,621.57

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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.