Home / 107,682.90-161,874.27-107,158.02

Finding the Fourth Proportional to 107,682.90, 161,874.27 and 107,158.02

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Solution

The fourth proportional to 107,682.90, 161,874.27 and 107,158.02 is: 161,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,682.90 : 161,874.27 = 107,158.02 : x
  2. Step 2: Convert to fraction form
    107,682.90/161,874.27 = 107,158.02/x
  3. Step 3: Cross multiply
    107,682.90x = 161,874.27 × 107,158.02
  4. Step 4: Simplify right side
    107,682.90x = 17,346,126,262.15
  5. Step 5: Solve for x
    x = 17,346,126,262.15/107,682.90
  6. Step 6: Final answer
    x = 161,085.24

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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.