Home / 147,193.30-203,131.66-82,673.89

Finding the Fourth Proportional to 147,193.30, 203,131.66 and 82,673.89

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Solution

The fourth proportional to 147,193.30, 203,131.66 and 82,673.89 is: 114,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,193.30 : 203,131.66 = 82,673.89 : x
  2. Step 2: Convert to fraction form
    147,193.30/203,131.66 = 82,673.89/x
  3. Step 3: Cross multiply
    147,193.30x = 203,131.66 × 82,673.89
  4. Step 4: Simplify right side
    147,193.30x = 16,793,684,514.36
  5. Step 5: Solve for x
    x = 16,793,684,514.36/147,193.30
  6. Step 6: Final answer
    x = 114,092.72

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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.