Home / 121,111.26-181,667.76-46,211.23

Finding the Fourth Proportional to 121,111.26, 181,667.76 and 46,211.23

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Solution

The fourth proportional to 121,111.26, 181,667.76 and 46,211.23 is: 69,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,111.26 : 181,667.76 = 46,211.23 : x
  2. Step 2: Convert to fraction form
    121,111.26/181,667.76 = 46,211.23/x
  3. Step 3: Cross multiply
    121,111.26x = 181,667.76 × 46,211.23
  4. Step 4: Simplify right side
    121,111.26x = 8,395,090,640.94
  5. Step 5: Solve for x
    x = 8,395,090,640.94/121,111.26
  6. Step 6: Final answer
    x = 69,317.18

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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.