Home / 328,687.06-453,578.91-185,460.43

Finding the Fourth Proportional to 328,687.06, 453,578.91 and 185,460.43

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Solution

The fourth proportional to 328,687.06, 453,578.91 and 185,460.43 is: 255,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,687.06 : 453,578.91 = 185,460.43 : x
  2. Step 2: Convert to fraction form
    328,687.06/453,578.91 = 185,460.43/x
  3. Step 3: Cross multiply
    328,687.06x = 453,578.91 × 185,460.43
  4. Step 4: Simplify right side
    328,687.06x = 84,120,939,687.53
  5. Step 5: Solve for x
    x = 84,120,939,687.53/328,687.06
  6. Step 6: Final answer
    x = 255,930.18

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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.