Home / 188,160.82-282,290.40-109,199.20

Finding the Fourth Proportional to 188,160.82, 282,290.40 and 109,199.20

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Solution

The fourth proportional to 188,160.82, 282,290.40 and 109,199.20 is: 163,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,160.82 : 282,290.40 = 109,199.20 : x
  2. Step 2: Convert to fraction form
    188,160.82/282,290.40 = 109,199.20/x
  3. Step 3: Cross multiply
    188,160.82x = 282,290.40 × 109,199.20
  4. Step 4: Simplify right side
    188,160.82x = 30,825,885,847.68
  5. Step 5: Solve for x
    x = 30,825,885,847.68/188,160.82
  6. Step 6: Final answer
    x = 163,827.34

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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.