Home / 227,742.89-341,821.64-121,216.28

Finding the Fourth Proportional to 227,742.89, 341,821.64 and 121,216.28

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Solution

The fourth proportional to 227,742.89, 341,821.64 and 121,216.28 is: 181,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,742.89 : 341,821.64 = 121,216.28 : x
  2. Step 2: Convert to fraction form
    227,742.89/341,821.64 = 121,216.28/x
  3. Step 3: Cross multiply
    227,742.89x = 341,821.64 × 121,216.28
  4. Step 4: Simplify right side
    227,742.89x = 41,434,347,459.14
  5. Step 5: Solve for x
    x = 41,434,347,459.14/227,742.89
  6. Step 6: Final answer
    x = 181,934.76

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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.