Home / 192,315.11-265,520.16-172,137.60

Finding the Fourth Proportional to 192,315.11, 265,520.16 and 172,137.60

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Solution

The fourth proportional to 192,315.11, 265,520.16 and 172,137.60 is: 237,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,315.11 : 265,520.16 = 172,137.60 : x
  2. Step 2: Convert to fraction form
    192,315.11/265,520.16 = 172,137.60/x
  3. Step 3: Cross multiply
    192,315.11x = 265,520.16 × 172,137.60
  4. Step 4: Simplify right side
    192,315.11x = 45,706,003,094.02
  5. Step 5: Solve for x
    x = 45,706,003,094.02/192,315.11
  6. Step 6: Final answer
    x = 237,662.06

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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.