Home / 187,474.32-258,714.36-105,797.16

Finding the Fourth Proportional to 187,474.32, 258,714.36 and 105,797.16

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Solution

The fourth proportional to 187,474.32, 258,714.36 and 105,797.16 is: 145,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,474.32 : 258,714.36 = 105,797.16 : x
  2. Step 2: Convert to fraction form
    187,474.32/258,714.36 = 105,797.16/x
  3. Step 3: Cross multiply
    187,474.32x = 258,714.36 × 105,797.16
  4. Step 4: Simplify right side
    187,474.32x = 27,371,244,539.22
  5. Step 5: Solve for x
    x = 27,371,244,539.22/187,474.32
  6. Step 6: Final answer
    x = 145,999.97

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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.