Home / 115,233.75-172,850.64-27,681.75

Finding the Fourth Proportional to 115,233.75, 172,850.64 and 27,681.75

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Solution

The fourth proportional to 115,233.75, 172,850.64 and 27,681.75 is: 41,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,233.75 : 172,850.64 = 27,681.75 : x
  2. Step 2: Convert to fraction form
    115,233.75/172,850.64 = 27,681.75/x
  3. Step 3: Cross multiply
    115,233.75x = 172,850.64 × 27,681.75
  4. Step 4: Simplify right side
    115,233.75x = 4,784,808,203.82
  5. Step 5: Solve for x
    x = 4,784,808,203.82/115,233.75
  6. Step 6: Final answer
    x = 41,522.63

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1.5x scale

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.