Home / 328,769.20-453,693.72-185,535.28

Finding the Fourth Proportional to 328,769.20, 453,693.72 and 185,535.28

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Solution

The fourth proportional to 328,769.20, 453,693.72 and 185,535.28 is: 256,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,769.20 : 453,693.72 = 185,535.28 : x
  2. Step 2: Convert to fraction form
    328,769.20/453,693.72 = 185,535.28/x
  3. Step 3: Cross multiply
    328,769.20x = 453,693.72 × 185,535.28
  4. Step 4: Simplify right side
    328,769.20x = 84,176,191,374.44
  5. Step 5: Solve for x
    x = 84,176,191,374.44/328,769.20
  6. Step 6: Final answer
    x = 256,034.30

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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.