Home / 117,080.88-161,554.64-69,336.24

Finding the Fourth Proportional to 117,080.88, 161,554.64 and 69,336.24

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Solution

The fourth proportional to 117,080.88, 161,554.64 and 69,336.24 is: 95,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,080.88 : 161,554.64 = 69,336.24 : x
  2. Step 2: Convert to fraction form
    117,080.88/161,554.64 = 69,336.24/x
  3. Step 3: Cross multiply
    117,080.88x = 161,554.64 × 69,336.24
  4. Step 4: Simplify right side
    117,080.88x = 11,201,591,292.15
  5. Step 5: Solve for x
    x = 11,201,591,292.15/117,080.88
  6. Step 6: Final answer
    x = 95,673.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.