Home / 121,107.72-181,673.97-46,290.84

Finding the Fourth Proportional to 121,107.72, 181,673.97 and 46,290.84

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Solution

The fourth proportional to 121,107.72, 181,673.97 and 46,290.84 is: 69,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,107.72 : 181,673.97 = 46,290.84 : x
  2. Step 2: Convert to fraction form
    121,107.72/181,673.97 = 46,290.84/x
  3. Step 3: Cross multiply
    121,107.72x = 181,673.97 × 46,290.84
  4. Step 4: Simplify right side
    121,107.72x = 8,409,840,677.43
  5. Step 5: Solve for x
    x = 8,409,840,677.43/121,107.72
  6. Step 6: Final answer
    x = 69,441.00

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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.