Home / 106,840.94-160,284.09-40,279.46

Finding the Fourth Proportional to 106,840.94, 160,284.09 and 40,279.46

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Solution

The fourth proportional to 106,840.94, 160,284.09 and 40,279.46 is: 60,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,840.94 : 160,284.09 = 40,279.46 : x
  2. Step 2: Convert to fraction form
    106,840.94/160,284.09 = 40,279.46/x
  3. Step 3: Cross multiply
    106,840.94x = 160,284.09 × 40,279.46
  4. Step 4: Simplify right side
    106,840.94x = 6,456,155,790.37
  5. Step 5: Solve for x
    x = 6,456,155,790.37/106,840.94
  6. Step 6: Final answer
    x = 60,427.74

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1.5x scale

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.