Home / 328,926.76-453,930.70-185,712.28

Finding the Fourth Proportional to 328,926.76, 453,930.70 and 185,712.28

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Solution

The fourth proportional to 328,926.76, 453,930.70 and 185,712.28 is: 256,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,926.76 : 453,930.70 = 185,712.28 : x
  2. Step 2: Convert to fraction form
    328,926.76/453,930.70 = 185,712.28/x
  3. Step 3: Cross multiply
    328,926.76x = 453,930.70 × 185,712.28
  4. Step 4: Simplify right side
    328,926.76x = 84,300,505,259.00
  5. Step 5: Solve for x
    x = 84,300,505,259.00/328,926.76
  6. Step 6: Final answer
    x = 256,289.59

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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.