Home / 146,479.40-219,719.10-67,570.28

Finding the Fourth Proportional to 146,479.40, 219,719.10 and 67,570.28

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Solution

The fourth proportional to 146,479.40, 219,719.10 and 67,570.28 is: 101,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,479.40 : 219,719.10 = 67,570.28 : x
  2. Step 2: Convert to fraction form
    146,479.40/219,719.10 = 67,570.28/x
  3. Step 3: Cross multiply
    146,479.40x = 219,719.10 × 67,570.28
  4. Step 4: Simplify right side
    146,479.40x = 14,846,481,108.35
  5. Step 5: Solve for x
    x = 14,846,481,108.35/146,479.40
  6. Step 6: Final answer
    x = 101,355.42

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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.