Home / 110,388.64-165,531.12-51,187.36

Finding the Fourth Proportional to 110,388.64, 165,531.12 and 51,187.36

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Solution

The fourth proportional to 110,388.64, 165,531.12 and 51,187.36 is: 76,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,388.64 : 165,531.12 = 51,187.36 : x
  2. Step 2: Convert to fraction form
    110,388.64/165,531.12 = 51,187.36/x
  3. Step 3: Cross multiply
    110,388.64x = 165,531.12 × 51,187.36
  4. Step 4: Simplify right side
    110,388.64x = 8,473,101,030.64
  5. Step 5: Solve for x
    x = 8,473,101,030.64/110,388.64
  6. Step 6: Final answer
    x = 76,757.00

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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.