Home / 192,215.42-265,382.09-172,037.31

Finding the Fourth Proportional to 192,215.42, 265,382.09 and 172,037.31

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Solution

The fourth proportional to 192,215.42, 265,382.09 and 172,037.31 is: 237,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,215.42 : 265,382.09 = 172,037.31 : x
  2. Step 2: Convert to fraction form
    192,215.42/265,382.09 = 172,037.31/x
  3. Step 3: Cross multiply
    192,215.42x = 265,382.09 × 172,037.31
  4. Step 4: Simplify right side
    192,215.42x = 45,655,620,885.78
  5. Step 5: Solve for x
    x = 45,655,620,885.78/192,215.42
  6. Step 6: Final answer
    x = 237,523.20

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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.