Home / 126,201.23-189,260.90-41,938.75

Finding the Fourth Proportional to 126,201.23, 189,260.90 and 41,938.75

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Solution

The fourth proportional to 126,201.23, 189,260.90 and 41,938.75 is: 62,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,201.23 : 189,260.90 = 41,938.75 : x
  2. Step 2: Convert to fraction form
    126,201.23/189,260.90 = 41,938.75/x
  3. Step 3: Cross multiply
    126,201.23x = 189,260.90 × 41,938.75
  4. Step 4: Simplify right side
    126,201.23x = 7,937,364,413.88
  5. Step 5: Solve for x
    x = 7,937,364,413.88/126,201.23
  6. Step 6: Final answer
    x = 62,894.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.