Home / 505,642.12-758,576.31-190,101.76

Finding the Fourth Proportional to 505,642.12, 758,576.31 and 190,101.76

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Solution

The fourth proportional to 505,642.12, 758,576.31 and 190,101.76 is: 285,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,642.12 : 758,576.31 = 190,101.76 : x
  2. Step 2: Convert to fraction form
    505,642.12/758,576.31 = 190,101.76/x
  3. Step 3: Cross multiply
    505,642.12x = 758,576.31 × 190,101.76
  4. Step 4: Simplify right side
    505,642.12x = 144,206,691,625.31
  5. Step 5: Solve for x
    x = 144,206,691,625.31/505,642.12
  6. Step 6: Final answer
    x = 285,195.17

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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.