Home / 186,054.20-279,081.30-172,932.20

Finding the Fourth Proportional to 186,054.20, 279,081.30 and 172,932.20

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Solution

The fourth proportional to 186,054.20, 279,081.30 and 172,932.20 is: 259,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,054.20 : 279,081.30 = 172,932.20 : x
  2. Step 2: Convert to fraction form
    186,054.20/279,081.30 = 172,932.20/x
  3. Step 3: Cross multiply
    186,054.20x = 279,081.30 × 172,932.20
  4. Step 4: Simplify right side
    186,054.20x = 48,262,143,187.86
  5. Step 5: Solve for x
    x = 48,262,143,187.86/186,054.20
  6. Step 6: Final answer
    x = 259,398.30

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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.