Home / 106,850.30-147,498.78-66,583.94

Finding the Fourth Proportional to 106,850.30, 147,498.78 and 66,583.94

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Solution

The fourth proportional to 106,850.30, 147,498.78 and 66,583.94 is: 91,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,850.30 : 147,498.78 = 66,583.94 : x
  2. Step 2: Convert to fraction form
    106,850.30/147,498.78 = 66,583.94/x
  3. Step 3: Cross multiply
    106,850.30x = 147,498.78 × 66,583.94
  4. Step 4: Simplify right side
    106,850.30x = 9,821,049,917.59
  5. Step 5: Solve for x
    x = 9,821,049,917.59/106,850.30
  6. Step 6: Final answer
    x = 91,914.11

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1.5x scale

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.