Home / 121,107.45-181,673.55-46,290.57

Finding the Fourth Proportional to 121,107.45, 181,673.55 and 46,290.57

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Solution

The fourth proportional to 121,107.45, 181,673.55 and 46,290.57 is: 69,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,107.45 : 181,673.55 = 46,290.57 : x
  2. Step 2: Convert to fraction form
    121,107.45/181,673.55 = 46,290.57/x
  3. Step 3: Cross multiply
    121,107.45x = 181,673.55 × 46,290.57
  4. Step 4: Simplify right side
    121,107.45x = 8,409,772,183.42
  5. Step 5: Solve for x
    x = 8,409,772,183.42/121,107.45
  6. Step 6: Final answer
    x = 69,440.59

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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.