Home / 114,986.11-172,507.86-40,107.33

Finding the Fourth Proportional to 114,986.11, 172,507.86 and 40,107.33

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Solution

The fourth proportional to 114,986.11, 172,507.86 and 40,107.33 is: 60,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,986.11 : 172,507.86 = 40,107.33 : x
  2. Step 2: Convert to fraction form
    114,986.11/172,507.86 = 40,107.33/x
  3. Step 3: Cross multiply
    114,986.11x = 172,507.86 × 40,107.33
  4. Step 4: Simplify right side
    114,986.11x = 6,918,829,668.61
  5. Step 5: Solve for x
    x = 6,918,829,668.61/114,986.11
  6. Step 6: Final answer
    x = 60,171.00

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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.