Home / 110,148.21-165,186.81-31,241.25

Finding the Fourth Proportional to 110,148.21, 165,186.81 and 31,241.25

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Solution

The fourth proportional to 110,148.21, 165,186.81 and 31,241.25 is: 46,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,148.21 : 165,186.81 = 31,241.25 : x
  2. Step 2: Convert to fraction form
    110,148.21/165,186.81 = 31,241.25/x
  3. Step 3: Cross multiply
    110,148.21x = 165,186.81 × 31,241.25
  4. Step 4: Simplify right side
    110,148.21x = 5,160,642,427.91
  5. Step 5: Solve for x
    x = 5,160,642,427.91/110,148.21
  6. Step 6: Final answer
    x = 46,851.80

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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.