Home / 258,653.04-388,186.92-134,029.68

Finding the Fourth Proportional to 258,653.04, 388,186.92 and 134,029.68

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Solution

The fourth proportional to 258,653.04, 388,186.92 and 134,029.68 is: 201,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,653.04 : 388,186.92 = 134,029.68 : x
  2. Step 2: Convert to fraction form
    258,653.04/388,186.92 = 134,029.68/x
  3. Step 3: Cross multiply
    258,653.04x = 388,186.92 × 134,029.68
  4. Step 4: Simplify right side
    258,653.04x = 52,028,568,667.79
  5. Step 5: Solve for x
    x = 52,028,568,667.79/258,653.04
  6. Step 6: Final answer
    x = 201,151.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.