Home / 126,074.83-189,121.67-46,131.48

Finding the Fourth Proportional to 126,074.83, 189,121.67 and 46,131.48

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Solution

The fourth proportional to 126,074.83, 189,121.67 and 46,131.48 is: 69,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,074.83 : 189,121.67 = 46,131.48 : x
  2. Step 2: Convert to fraction form
    126,074.83/189,121.67 = 46,131.48/x
  3. Step 3: Cross multiply
    126,074.83x = 189,121.67 × 46,131.48
  4. Step 4: Simplify right side
    126,074.83x = 8,724,462,537.17
  5. Step 5: Solve for x
    x = 8,724,462,537.17/126,074.83
  6. Step 6: Final answer
    x = 69,200.67

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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.