Home / 119,382.41-164,745.04-65,666.25

Finding the Fourth Proportional to 119,382.41, 164,745.04 and 65,666.25

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Solution

The fourth proportional to 119,382.41, 164,745.04 and 65,666.25 is: 90,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,382.41 : 164,745.04 = 65,666.25 : x
  2. Step 2: Convert to fraction form
    119,382.41/164,745.04 = 65,666.25/x
  3. Step 3: Cross multiply
    119,382.41x = 164,745.04 × 65,666.25
  4. Step 4: Simplify right side
    119,382.41x = 10,818,188,982.90
  5. Step 5: Solve for x
    x = 10,818,188,982.90/119,382.41
  6. Step 6: Final answer
    x = 90,617.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.