Home / 187,405.25-258,535.80-119,385.29

Finding the Fourth Proportional to 187,405.25, 258,535.80 and 119,385.29

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Solution

The fourth proportional to 187,405.25, 258,535.80 and 119,385.29 is: 164,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,405.25 : 258,535.80 = 119,385.29 : x
  2. Step 2: Convert to fraction form
    187,405.25/258,535.80 = 119,385.29/x
  3. Step 3: Cross multiply
    187,405.25x = 258,535.80 × 119,385.29
  4. Step 4: Simplify right side
    187,405.25x = 30,865,372,104.72
  5. Step 5: Solve for x
    x = 30,865,372,104.72/187,405.25
  6. Step 6: Final answer
    x = 164,698.55

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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.