Home / 117,851.16-162,694.86-90,933.24

Finding the Fourth Proportional to 117,851.16, 162,694.86 and 90,933.24

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Solution

The fourth proportional to 117,851.16, 162,694.86 and 90,933.24 is: 125,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,851.16 : 162,694.86 = 90,933.24 : x
  2. Step 2: Convert to fraction form
    117,851.16/162,694.86 = 90,933.24/x
  3. Step 3: Cross multiply
    117,851.16x = 162,694.86 × 90,933.24
  4. Step 4: Simplify right side
    117,851.16x = 14,794,370,751.15
  5. Step 5: Solve for x
    x = 14,794,370,751.15/117,851.16
  6. Step 6: Final answer
    x = 125,534.37

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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.