Home / 107,958.30-161,867.05-96,899.10

Finding the Fourth Proportional to 107,958.30, 161,867.05 and 96,899.10

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Solution

The fourth proportional to 107,958.30, 161,867.05 and 96,899.10 is: 145,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,958.30 : 161,867.05 = 96,899.10 : x
  2. Step 2: Convert to fraction form
    107,958.30/161,867.05 = 96,899.10/x
  3. Step 3: Cross multiply
    107,958.30x = 161,867.05 × 96,899.10
  4. Step 4: Simplify right side
    107,958.30x = 15,684,771,464.66
  5. Step 5: Solve for x
    x = 15,684,771,464.66/107,958.30
  6. Step 6: Final answer
    x = 145,285.46

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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.