Home / 121,366.89-181,932.77-46,429.33

Finding the Fourth Proportional to 121,366.89, 181,932.77 and 46,429.33

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Solution

The fourth proportional to 121,366.89, 181,932.77 and 46,429.33 is: 69,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,366.89 : 181,932.77 = 46,429.33 : x
  2. Step 2: Convert to fraction form
    121,366.89/181,932.77 = 46,429.33/x
  3. Step 3: Cross multiply
    121,366.89x = 181,932.77 × 46,429.33
  4. Step 4: Simplify right side
    121,366.89x = 8,447,016,616.14
  5. Step 5: Solve for x
    x = 8,447,016,616.14/121,366.89
  6. Step 6: Final answer
    x = 69,599.02

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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.