Home / 188,899.44-283,421.16-70,623.60

Finding the Fourth Proportional to 188,899.44, 283,421.16 and 70,623.60

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Solution

The fourth proportional to 188,899.44, 283,421.16 and 70,623.60 is: 105,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,899.44 : 283,421.16 = 70,623.60 : x
  2. Step 2: Convert to fraction form
    188,899.44/283,421.16 = 70,623.60/x
  3. Step 3: Cross multiply
    188,899.44x = 283,421.16 × 70,623.60
  4. Step 4: Simplify right side
    188,899.44x = 20,016,222,635.38
  5. Step 5: Solve for x
    x = 20,016,222,635.38/188,899.44
  6. Step 6: Final answer
    x = 105,962.32

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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.