Home / 121,017.06-181,137.33-64,716.39

Finding the Fourth Proportional to 121,017.06, 181,137.33 and 64,716.39

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Solution

The fourth proportional to 121,017.06, 181,137.33 and 64,716.39 is: 96,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,017.06 : 181,137.33 = 64,716.39 : x
  2. Step 2: Convert to fraction form
    121,017.06/181,137.33 = 64,716.39/x
  3. Step 3: Cross multiply
    121,017.06x = 181,137.33 × 64,716.39
  4. Step 4: Simplify right side
    121,017.06x = 11,722,554,091.84
  5. Step 5: Solve for x
    x = 11,722,554,091.84/121,017.06
  6. Step 6: Final answer
    x = 96,866.95

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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.