Home / 422,254.12-633,293.64-155,832.52

Finding the Fourth Proportional to 422,254.12, 633,293.64 and 155,832.52

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Solution

The fourth proportional to 422,254.12, 633,293.64 and 155,832.52 is: 233,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,254.12 : 633,293.64 = 155,832.52 : x
  2. Step 2: Convert to fraction form
    422,254.12/633,293.64 = 155,832.52/x
  3. Step 3: Cross multiply
    422,254.12x = 633,293.64 × 155,832.52
  4. Step 4: Simplify right side
    422,254.12x = 98,687,743,821.17
  5. Step 5: Solve for x
    x = 98,687,743,821.17/422,254.12
  6. Step 6: Final answer
    x = 233,716.47

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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.