Home / 106,385.36-146,811.24-58,638.80

Finding the Fourth Proportional to 106,385.36, 146,811.24 and 58,638.80

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Solution

The fourth proportional to 106,385.36, 146,811.24 and 58,638.80 is: 80,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,385.36 : 146,811.24 = 58,638.80 : x
  2. Step 2: Convert to fraction form
    106,385.36/146,811.24 = 58,638.80/x
  3. Step 3: Cross multiply
    106,385.36x = 146,811.24 × 58,638.80
  4. Step 4: Simplify right side
    106,385.36x = 8,608,834,940.11
  5. Step 5: Solve for x
    x = 8,608,834,940.11/106,385.36
  6. Step 6: Final answer
    x = 80,921.24

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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.