Home / 146,068.64-219,115.51-51,290.68

Finding the Fourth Proportional to 146,068.64, 219,115.51 and 51,290.68

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Solution

The fourth proportional to 146,068.64, 219,115.51 and 51,290.68 is: 76,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,068.64 : 219,115.51 = 51,290.68 : x
  2. Step 2: Convert to fraction form
    146,068.64/219,115.51 = 51,290.68/x
  3. Step 3: Cross multiply
    146,068.64x = 219,115.51 × 51,290.68
  4. Step 4: Simplify right side
    146,068.64x = 11,238,583,506.45
  5. Step 5: Solve for x
    x = 11,238,583,506.45/146,068.64
  6. Step 6: Final answer
    x = 76,940.43

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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.