Home / 110,438.08-165,676.60-40,415.20

Finding the Fourth Proportional to 110,438.08, 165,676.60 and 40,415.20

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Solution

The fourth proportional to 110,438.08, 165,676.60 and 40,415.20 is: 60,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,438.08 : 165,676.60 = 40,415.20 : x
  2. Step 2: Convert to fraction form
    110,438.08/165,676.60 = 40,415.20/x
  3. Step 3: Cross multiply
    110,438.08x = 165,676.60 × 40,415.20
  4. Step 4: Simplify right side
    110,438.08x = 6,695,852,924.32
  5. Step 5: Solve for x
    x = 6,695,852,924.32/110,438.08
  6. Step 6: Final answer
    x = 60,629.93

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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.