Home / 328,536.73-492,805.19-115,471.90

Finding the Fourth Proportional to 328,536.73, 492,805.19 and 115,471.90

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Solution

The fourth proportional to 328,536.73, 492,805.19 and 115,471.90 is: 173,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,536.73 : 492,805.19 = 115,471.90 : x
  2. Step 2: Convert to fraction form
    328,536.73/492,805.19 = 115,471.90/x
  3. Step 3: Cross multiply
    328,536.73x = 492,805.19 × 115,471.90
  4. Step 4: Simplify right side
    328,536.73x = 56,905,151,619.16
  5. Step 5: Solve for x
    x = 56,905,151,619.16/328,536.73
  6. Step 6: Final answer
    x = 173,207.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.