Home / 106,120.53-146,443.89-58,372.86

Finding the Fourth Proportional to 106,120.53, 146,443.89 and 58,372.86

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Solution

The fourth proportional to 106,120.53, 146,443.89 and 58,372.86 is: 80,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,120.53 : 146,443.89 = 58,372.86 : x
  2. Step 2: Convert to fraction form
    106,120.53/146,443.89 = 58,372.86/x
  3. Step 3: Cross multiply
    106,120.53x = 146,443.89 × 58,372.86
  4. Step 4: Simplify right side
    106,120.53x = 8,548,348,688.83
  5. Step 5: Solve for x
    x = 8,548,348,688.83/106,120.53
  6. Step 6: Final answer
    x = 80,553.20

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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.