Home / 106,145.42-146,480.68-58,397.75

Finding the Fourth Proportional to 106,145.42, 146,480.68 and 58,397.75

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Solution

The fourth proportional to 106,145.42, 146,480.68 and 58,397.75 is: 80,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,145.42 : 146,480.68 = 58,397.75 : x
  2. Step 2: Convert to fraction form
    106,145.42/146,480.68 = 58,397.75/x
  3. Step 3: Cross multiply
    106,145.42x = 146,480.68 × 58,397.75
  4. Step 4: Simplify right side
    106,145.42x = 8,554,141,142.58
  5. Step 5: Solve for x
    x = 8,554,141,142.58/106,145.42
  6. Step 6: Final answer
    x = 80,588.88

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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.