Home / 109,136.12-163,766.96-45,951.24

Finding the Fourth Proportional to 109,136.12, 163,766.96 and 45,951.24

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Solution

The fourth proportional to 109,136.12, 163,766.96 and 45,951.24 is: 68,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,136.12 : 163,766.96 = 45,951.24 : x
  2. Step 2: Convert to fraction form
    109,136.12/163,766.96 = 45,951.24/x
  3. Step 3: Cross multiply
    109,136.12x = 163,766.96 × 45,951.24
  4. Step 4: Simplify right side
    109,136.12x = 7,525,294,883.03
  5. Step 5: Solve for x
    x = 7,525,294,883.03/109,136.12
  6. Step 6: Final answer
    x = 68,953.29

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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.