Home / 170,515.12-255,846.36-91,537.04

Finding the Fourth Proportional to 170,515.12, 255,846.36 and 91,537.04

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Solution

The fourth proportional to 170,515.12, 255,846.36 and 91,537.04 is: 137,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,515.12 : 255,846.36 = 91,537.04 : x
  2. Step 2: Convert to fraction form
    170,515.12/255,846.36 = 91,537.04/x
  3. Step 3: Cross multiply
    170,515.12x = 255,846.36 × 91,537.04
  4. Step 4: Simplify right side
    170,515.12x = 23,419,418,489.17
  5. Step 5: Solve for x
    x = 23,419,418,489.17/170,515.12
  6. Step 6: Final answer
    x = 137,345.11

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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.