Home / 187,298.65-258,422.31-106,724.44

Finding the Fourth Proportional to 187,298.65, 258,422.31 and 106,724.44

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Solution

The fourth proportional to 187,298.65, 258,422.31 and 106,724.44 is: 147,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,298.65 : 258,422.31 = 106,724.44 : x
  2. Step 2: Convert to fraction form
    187,298.65/258,422.31 = 106,724.44/x
  3. Step 3: Cross multiply
    187,298.65x = 258,422.31 × 106,724.44
  4. Step 4: Simplify right side
    187,298.65x = 27,579,975,026.14
  5. Step 5: Solve for x
    x = 27,579,975,026.14/187,298.65
  6. Step 6: Final answer
    x = 147,251.33

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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.