Home / 106,388.04-146,808.82-58,638.76

Finding the Fourth Proportional to 106,388.04, 146,808.82 and 58,638.76

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Solution

The fourth proportional to 106,388.04, 146,808.82 and 58,638.76 is: 80,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,388.04 : 146,808.82 = 58,638.76 : x
  2. Step 2: Convert to fraction form
    106,388.04/146,808.82 = 58,638.76/x
  3. Step 3: Cross multiply
    106,388.04x = 146,808.82 × 58,638.76
  4. Step 4: Simplify right side
    106,388.04x = 8,608,687,161.86
  5. Step 5: Solve for x
    x = 8,608,687,161.86/106,388.04
  6. Step 6: Final answer
    x = 80,917.81

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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.