Home / 170,403.75-235,157.24-98,825.27

Finding the Fourth Proportional to 170,403.75, 235,157.24 and 98,825.27

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Solution

The fourth proportional to 170,403.75, 235,157.24 and 98,825.27 is: 136,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,403.75 : 235,157.24 = 98,825.27 : x
  2. Step 2: Convert to fraction form
    170,403.75/235,157.24 = 98,825.27/x
  3. Step 3: Cross multiply
    170,403.75x = 235,157.24 × 98,825.27
  4. Step 4: Simplify right side
    170,403.75x = 23,239,476,806.73
  5. Step 5: Solve for x
    x = 23,239,476,806.73/170,403.75
  6. Step 6: Final answer
    x = 136,378.90

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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.