Home / 258,735.66-356,937.21-187,002.06

Finding the Fourth Proportional to 258,735.66, 356,937.21 and 187,002.06

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Solution

The fourth proportional to 258,735.66, 356,937.21 and 187,002.06 is: 257,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,735.66 : 356,937.21 = 187,002.06 : x
  2. Step 2: Convert to fraction form
    258,735.66/356,937.21 = 187,002.06/x
  3. Step 3: Cross multiply
    258,735.66x = 356,937.21 × 187,002.06
  4. Step 4: Simplify right side
    258,735.66x = 66,747,993,560.65
  5. Step 5: Solve for x
    x = 66,747,993,560.65/258,735.66
  6. Step 6: Final answer
    x = 257,977.56

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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.