Home / 192,401.45-265,588.91-172,223.43

Finding the Fourth Proportional to 192,401.45, 265,588.91 and 172,223.43

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Solution

The fourth proportional to 192,401.45, 265,588.91 and 172,223.43 is: 237,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,401.45 : 265,588.91 = 172,223.43 : x
  2. Step 2: Convert to fraction form
    192,401.45/265,588.91 = 172,223.43/x
  3. Step 3: Cross multiply
    192,401.45x = 265,588.91 × 172,223.43
  4. Step 4: Simplify right side
    192,401.45x = 45,740,633,050.16
  5. Step 5: Solve for x
    x = 45,740,633,050.16/192,401.45
  6. Step 6: Final answer
    x = 237,735.39

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1.5x scale

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.