Home / 422,151.37-582,547.17-231,127.81

Finding the Fourth Proportional to 422,151.37, 582,547.17 and 231,127.81

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Solution

The fourth proportional to 422,151.37, 582,547.17 and 231,127.81 is: 318,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,151.37 : 582,547.17 = 231,127.81 : x
  2. Step 2: Convert to fraction form
    422,151.37/582,547.17 = 231,127.81/x
  3. Step 3: Cross multiply
    422,151.37x = 582,547.17 × 231,127.81
  4. Step 4: Simplify right side
    422,151.37x = 134,642,851,623.80
  5. Step 5: Solve for x
    x = 134,642,851,623.80/422,151.37
  6. Step 6: Final answer
    x = 318,944.49

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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.