Home / 328,919.76-453,921.03-185,705.28

Finding the Fourth Proportional to 328,919.76, 453,921.03 and 185,705.28

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Solution

The fourth proportional to 328,919.76, 453,921.03 and 185,705.28 is: 256,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,919.76 : 453,921.03 = 185,705.28 : x
  2. Step 2: Convert to fraction form
    328,919.76/453,921.03 = 185,705.28/x
  3. Step 3: Cross multiply
    328,919.76x = 453,921.03 × 185,705.28
  4. Step 4: Simplify right side
    328,919.76x = 84,295,531,974.04
  5. Step 5: Solve for x
    x = 84,295,531,974.04/328,919.76
  6. Step 6: Final answer
    x = 256,279.93

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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.