Home / 104,280.09-143,906.67-56,533.43

Finding the Fourth Proportional to 104,280.09, 143,906.67 and 56,533.43

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Solution

The fourth proportional to 104,280.09, 143,906.67 and 56,533.43 is: 78,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,280.09 : 143,906.67 = 56,533.43 : x
  2. Step 2: Convert to fraction form
    104,280.09/143,906.67 = 56,533.43/x
  3. Step 3: Cross multiply
    104,280.09x = 143,906.67 × 56,533.43
  4. Step 4: Simplify right side
    104,280.09x = 8,135,536,935.44
  5. Step 5: Solve for x
    x = 8,135,536,935.44/104,280.09
  6. Step 6: Final answer
    x = 78,016.21

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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.