Home / 121,303.22-167,413.25-73,556.42

Finding the Fourth Proportional to 121,303.22, 167,413.25 and 73,556.42

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Solution

The fourth proportional to 121,303.22, 167,413.25 and 73,556.42 is: 101,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,303.22 : 167,413.25 = 73,556.42 : x
  2. Step 2: Convert to fraction form
    121,303.22/167,413.25 = 73,556.42/x
  3. Step 3: Cross multiply
    121,303.22x = 167,413.25 × 73,556.42
  4. Step 4: Simplify right side
    121,303.22x = 12,314,319,330.57
  5. Step 5: Solve for x
    x = 12,314,319,330.57/121,303.22
  6. Step 6: Final answer
    x = 101,516.84

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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.