Home / 106,121.43-146,448.27-58,373.55

Finding the Fourth Proportional to 106,121.43, 146,448.27 and 58,373.55

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Solution

The fourth proportional to 106,121.43, 146,448.27 and 58,373.55 is: 80,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,121.43 : 146,448.27 = 58,373.55 : x
  2. Step 2: Convert to fraction form
    106,121.43/146,448.27 = 58,373.55/x
  3. Step 3: Cross multiply
    106,121.43x = 146,448.27 × 58,373.55
  4. Step 4: Simplify right side
    106,121.43x = 8,548,705,411.26
  5. Step 5: Solve for x
    x = 8,548,705,411.26/106,121.43
  6. Step 6: Final answer
    x = 80,555.88

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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.