Home / 110,419.60-165,632.11-40,298.90

Finding the Fourth Proportional to 110,419.60, 165,632.11 and 40,298.90

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Solution

The fourth proportional to 110,419.60, 165,632.11 and 40,298.90 is: 60,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,419.60 : 165,632.11 = 40,298.90 : x
  2. Step 2: Convert to fraction form
    110,419.60/165,632.11 = 40,298.90/x
  3. Step 3: Cross multiply
    110,419.60x = 165,632.11 × 40,298.90
  4. Step 4: Simplify right side
    110,419.60x = 6,674,791,837.68
  5. Step 5: Solve for x
    x = 6,674,791,837.68/110,419.60
  6. Step 6: Final answer
    x = 60,449.34

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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.