Home / 187,579.10-258,891.86-111,141.22

Finding the Fourth Proportional to 187,579.10, 258,891.86 and 111,141.22

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Solution

The fourth proportional to 187,579.10, 258,891.86 and 111,141.22 is: 153,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,579.10 : 258,891.86 = 111,141.22 : x
  2. Step 2: Convert to fraction form
    187,579.10/258,891.86 = 111,141.22/x
  3. Step 3: Cross multiply
    187,579.10x = 258,891.86 × 111,141.22
  4. Step 4: Simplify right side
    187,579.10x = 28,773,557,168.47
  5. Step 5: Solve for x
    x = 28,773,557,168.47/187,579.10
  6. Step 6: Final answer
    x = 153,394.26

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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.