Home / 145,286.91-200,414.99-135,011.93

Finding the Fourth Proportional to 145,286.91, 200,414.99 and 135,011.93

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Solution

The fourth proportional to 145,286.91, 200,414.99 and 135,011.93 is: 186,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,286.91 : 200,414.99 = 135,011.93 : x
  2. Step 2: Convert to fraction form
    145,286.91/200,414.99 = 135,011.93/x
  3. Step 3: Cross multiply
    145,286.91x = 200,414.99 × 135,011.93
  4. Step 4: Simplify right side
    145,286.91x = 27,058,412,923.70
  5. Step 5: Solve for x
    x = 27,058,412,923.70/145,286.91
  6. Step 6: Final answer
    x = 186,241.23

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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.