Home / 187,590.24-258,912.82-127,180.31

Finding the Fourth Proportional to 187,590.24, 258,912.82 and 127,180.31

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Solution

The fourth proportional to 187,590.24, 258,912.82 and 127,180.31 is: 175,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,590.24 : 258,912.82 = 127,180.31 : x
  2. Step 2: Convert to fraction form
    187,590.24/258,912.82 = 127,180.31/x
  3. Step 3: Cross multiply
    187,590.24x = 258,912.82 × 127,180.31
  4. Step 4: Simplify right side
    187,590.24x = 32,928,612,710.57
  5. Step 5: Solve for x
    x = 32,928,612,710.57/187,590.24
  6. Step 6: Final answer
    x = 175,534.79

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1.5x scale

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.