Home / 109,272.20-163,908.30-96,441.80

Finding the Fourth Proportional to 109,272.20, 163,908.30 and 96,441.80

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Solution

The fourth proportional to 109,272.20, 163,908.30 and 96,441.80 is: 144,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,272.20 : 163,908.30 = 96,441.80 : x
  2. Step 2: Convert to fraction form
    109,272.20/163,908.30 = 96,441.80/x
  3. Step 3: Cross multiply
    109,272.20x = 163,908.30 × 96,441.80
  4. Step 4: Simplify right side
    109,272.20x = 15,807,611,486.94
  5. Step 5: Solve for x
    x = 15,807,611,486.94/109,272.20
  6. Step 6: Final answer
    x = 144,662.70

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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.