Home / 248,413.50-342,810.70-135,236.25

Finding the Fourth Proportional to 248,413.50, 342,810.70 and 135,236.25

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Solution

The fourth proportional to 248,413.50, 342,810.70 and 135,236.25 is: 186,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,413.50 : 342,810.70 = 135,236.25 : x
  2. Step 2: Convert to fraction form
    248,413.50/342,810.70 = 135,236.25/x
  3. Step 3: Cross multiply
    248,413.50x = 342,810.70 × 135,236.25
  4. Step 4: Simplify right side
    248,413.50x = 46,360,433,189.78
  5. Step 5: Solve for x
    x = 46,360,433,189.78/248,413.50
  6. Step 6: Final answer
    x = 186,626.06

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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.