Home / 146,246.80-219,305.40-67,385.20

Finding the Fourth Proportional to 146,246.80, 219,305.40 and 67,385.20

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Solution

The fourth proportional to 146,246.80, 219,305.40 and 67,385.20 is: 101,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,246.80 : 219,305.40 = 67,385.20 : x
  2. Step 2: Convert to fraction form
    146,246.80/219,305.40 = 67,385.20/x
  3. Step 3: Cross multiply
    146,246.80x = 219,305.40 × 67,385.20
  4. Step 4: Simplify right side
    146,246.80x = 14,777,938,240.08
  5. Step 5: Solve for x
    x = 14,777,938,240.08/146,246.80
  6. Step 6: Final answer
    x = 101,047.94

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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.