Home / 108,947.94-163,402.44-28,986.36

Finding the Fourth Proportional to 108,947.94, 163,402.44 and 28,986.36

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Solution

The fourth proportional to 108,947.94, 163,402.44 and 28,986.36 is: 43,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,947.94 : 163,402.44 = 28,986.36 : x
  2. Step 2: Convert to fraction form
    108,947.94/163,402.44 = 28,986.36/x
  3. Step 3: Cross multiply
    108,947.94x = 163,402.44 × 28,986.36
  4. Step 4: Simplify right side
    108,947.94x = 4,736,441,950.72
  5. Step 5: Solve for x
    x = 4,736,441,950.72/108,947.94
  6. Step 6: Final answer
    x = 43,474.36

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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.