Home / 146,568.30-219,852.45-87,470.70

Finding the Fourth Proportional to 146,568.30, 219,852.45 and 87,470.70

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Solution

The fourth proportional to 146,568.30, 219,852.45 and 87,470.70 is: 131,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,568.30 : 219,852.45 = 87,470.70 : x
  2. Step 2: Convert to fraction form
    146,568.30/219,852.45 = 87,470.70/x
  3. Step 3: Cross multiply
    146,568.30x = 219,852.45 × 87,470.70
  4. Step 4: Simplify right side
    146,568.30x = 19,230,647,698.22
  5. Step 5: Solve for x
    x = 19,230,647,698.22/146,568.30
  6. Step 6: Final answer
    x = 131,206.05

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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.