Home / 146,021.15-218,635.97-75,752.84

Finding the Fourth Proportional to 146,021.15, 218,635.97 and 75,752.84

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Solution

The fourth proportional to 146,021.15, 218,635.97 and 75,752.84 is: 113,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,021.15 : 218,635.97 = 75,752.84 : x
  2. Step 2: Convert to fraction form
    146,021.15/218,635.97 = 75,752.84/x
  3. Step 3: Cross multiply
    146,021.15x = 218,635.97 × 75,752.84
  4. Step 4: Simplify right side
    146,021.15x = 16,562,294,181.71
  5. Step 5: Solve for x
    x = 16,562,294,181.71/146,021.15
  6. Step 6: Final answer
    x = 113,423.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.