Home / 107,914.10-161,909.55-104,074.10

Finding the Fourth Proportional to 107,914.10, 161,909.55 and 104,074.10

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Solution

The fourth proportional to 107,914.10, 161,909.55 and 104,074.10 is: 156,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,914.10 : 161,909.55 = 104,074.10 : x
  2. Step 2: Convert to fraction form
    107,914.10/161,909.55 = 104,074.10/x
  3. Step 3: Cross multiply
    107,914.10x = 161,909.55 × 104,074.10
  4. Step 4: Simplify right side
    107,914.10x = 16,850,590,697.66
  5. Step 5: Solve for x
    x = 16,850,590,697.66/107,914.10
  6. Step 6: Final answer
    x = 156,148.18

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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.