Home / 213,514.76-319,805.58-108,152.84

Finding the Fourth Proportional to 213,514.76, 319,805.58 and 108,152.84

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Solution

The fourth proportional to 213,514.76, 319,805.58 and 108,152.84 is: 161,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,514.76 : 319,805.58 = 108,152.84 : x
  2. Step 2: Convert to fraction form
    213,514.76/319,805.58 = 108,152.84/x
  3. Step 3: Cross multiply
    213,514.76x = 319,805.58 × 108,152.84
  4. Step 4: Simplify right side
    213,514.76x = 34,587,881,724.85
  5. Step 5: Solve for x
    x = 34,587,881,724.85/213,514.76
  6. Step 6: Final answer
    x = 161,992.93

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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.