Home / 328,619.12-453,494.16-177,716.12

Finding the Fourth Proportional to 328,619.12, 453,494.16 and 177,716.12

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Solution

The fourth proportional to 328,619.12, 453,494.16 and 177,716.12 is: 245,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,619.12 : 453,494.16 = 177,716.12 : x
  2. Step 2: Convert to fraction form
    328,619.12/453,494.16 = 177,716.12/x
  3. Step 3: Cross multiply
    328,619.12x = 453,494.16 × 177,716.12
  4. Step 4: Simplify right side
    328,619.12x = 80,593,222,557.86
  5. Step 5: Solve for x
    x = 80,593,222,557.86/328,619.12
  6. Step 6: Final answer
    x = 245,248.12

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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.