Home / 258,616.80-356,885.59-149,725.73

Finding the Fourth Proportional to 258,616.80, 356,885.59 and 149,725.73

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Solution

The fourth proportional to 258,616.80, 356,885.59 and 149,725.73 is: 206,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,616.80 : 356,885.59 = 149,725.73 : x
  2. Step 2: Convert to fraction form
    258,616.80/356,885.59 = 149,725.73/x
  3. Step 3: Cross multiply
    258,616.80x = 356,885.59 × 149,725.73
  4. Step 4: Simplify right side
    258,616.80x = 53,434,955,489.23
  5. Step 5: Solve for x
    x = 53,434,955,489.23/258,616.80
  6. Step 6: Final answer
    x = 206,618.27

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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.