Home / 109,532.40-164,428.20-108,754.80

Finding the Fourth Proportional to 109,532.40, 164,428.20 and 108,754.80

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Solution

The fourth proportional to 109,532.40, 164,428.20 and 108,754.80 is: 163,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,532.40 : 164,428.20 = 108,754.80 : x
  2. Step 2: Convert to fraction form
    109,532.40/164,428.20 = 108,754.80/x
  3. Step 3: Cross multiply
    109,532.40x = 164,428.20 × 108,754.80
  4. Step 4: Simplify right side
    109,532.40x = 17,882,356,005.36
  5. Step 5: Solve for x
    x = 17,882,356,005.36/109,532.40
  6. Step 6: Final answer
    x = 163,260.88

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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.