Home / 146,576.10-219,864.15-76,446.30

Finding the Fourth Proportional to 146,576.10, 219,864.15 and 76,446.30

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Solution

The fourth proportional to 146,576.10, 219,864.15 and 76,446.30 is: 114,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,576.10 : 219,864.15 = 76,446.30 : x
  2. Step 2: Convert to fraction form
    146,576.10/219,864.15 = 76,446.30/x
  3. Step 3: Cross multiply
    146,576.10x = 219,864.15 × 76,446.30
  4. Step 4: Simplify right side
    146,576.10x = 16,807,800,770.15
  5. Step 5: Solve for x
    x = 16,807,800,770.15/146,576.10
  6. Step 6: Final answer
    x = 114,669.45

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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.