Home / 146,166.40-219,307.20-57,404.80

Finding the Fourth Proportional to 146,166.40, 219,307.20 and 57,404.80

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Solution

The fourth proportional to 146,166.40, 219,307.20 and 57,404.80 is: 86,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,166.40 : 219,307.20 = 57,404.80 : x
  2. Step 2: Convert to fraction form
    146,166.40/219,307.20 = 57,404.80/x
  3. Step 3: Cross multiply
    146,166.40x = 219,307.20 × 57,404.80
  4. Step 4: Simplify right side
    146,166.40x = 12,589,285,954.56
  5. Step 5: Solve for x
    x = 12,589,285,954.56/146,166.40
  6. Step 6: Final answer
    x = 86,129.82

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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.