Home / 403,751.17-557,189.31-231,700.69

Finding the Fourth Proportional to 403,751.17, 557,189.31 and 231,700.69

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Solution

The fourth proportional to 403,751.17, 557,189.31 and 231,700.69 is: 319,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,751.17 : 557,189.31 = 231,700.69 : x
  2. Step 2: Convert to fraction form
    403,751.17/557,189.31 = 231,700.69/x
  3. Step 3: Cross multiply
    403,751.17x = 557,189.31 × 231,700.69
  4. Step 4: Simplify right side
    403,751.17x = 129,101,147,587.62
  5. Step 5: Solve for x
    x = 129,101,147,587.62/403,751.17
  6. Step 6: Final answer
    x = 319,754.24

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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.