Home / 136,519.83-188,398.24-76,094.30

Finding the Fourth Proportional to 136,519.83, 188,398.24 and 76,094.30

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Solution

The fourth proportional to 136,519.83, 188,398.24 and 76,094.30 is: 105,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,519.83 : 188,398.24 = 76,094.30 : x
  2. Step 2: Convert to fraction form
    136,519.83/188,398.24 = 76,094.30/x
  3. Step 3: Cross multiply
    136,519.83x = 188,398.24 × 76,094.30
  4. Step 4: Simplify right side
    136,519.83x = 14,336,032,474.79
  5. Step 5: Solve for x
    x = 14,336,032,474.79/136,519.83
  6. Step 6: Final answer
    x = 105,010.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.