Home / 146,513.10-219,769.65-76,383.30

Finding the Fourth Proportional to 146,513.10, 219,769.65 and 76,383.30

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Solution

The fourth proportional to 146,513.10, 219,769.65 and 76,383.30 is: 114,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,513.10 : 219,769.65 = 76,383.30 : x
  2. Step 2: Convert to fraction form
    146,513.10/219,769.65 = 76,383.30/x
  3. Step 3: Cross multiply
    146,513.10x = 219,769.65 × 76,383.30
  4. Step 4: Simplify right side
    146,513.10x = 16,786,731,106.85
  5. Step 5: Solve for x
    x = 16,786,731,106.85/146,513.10
  6. Step 6: Final answer
    x = 114,574.95

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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.