Home / 109,148.20-163,626.30-73,973.80

Finding the Fourth Proportional to 109,148.20, 163,626.30 and 73,973.80

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Solution

The fourth proportional to 109,148.20, 163,626.30 and 73,973.80 is: 110,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,148.20 : 163,626.30 = 73,973.80 : x
  2. Step 2: Convert to fraction form
    109,148.20/163,626.30 = 73,973.80/x
  3. Step 3: Cross multiply
    109,148.20x = 163,626.30 × 73,973.80
  4. Step 4: Simplify right side
    109,148.20x = 12,104,059,190.94
  5. Step 5: Solve for x
    x = 12,104,059,190.94/109,148.20
  6. Step 6: Final answer
    x = 110,895.64

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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.