Home / 107,786.80-161,680.20-96,511.60

Finding the Fourth Proportional to 107,786.80, 161,680.20 and 96,511.60

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Solution

The fourth proportional to 107,786.80, 161,680.20 and 96,511.60 is: 144,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,786.80 : 161,680.20 = 96,511.60 : x
  2. Step 2: Convert to fraction form
    107,786.80/161,680.20 = 96,511.60/x
  3. Step 3: Cross multiply
    107,786.80x = 161,680.20 × 96,511.60
  4. Step 4: Simplify right side
    107,786.80x = 15,604,014,790.32
  5. Step 5: Solve for x
    x = 15,604,014,790.32/107,786.80
  6. Step 6: Final answer
    x = 144,767.40

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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.