Home / 136,278.82-204,437.76-36,442.36

Finding the Fourth Proportional to 136,278.82, 204,437.76 and 36,442.36

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Solution

The fourth proportional to 136,278.82, 204,437.76 and 36,442.36 is: 54,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,278.82 : 204,437.76 = 36,442.36 : x
  2. Step 2: Convert to fraction form
    136,278.82/204,437.76 = 36,442.36/x
  3. Step 3: Cross multiply
    136,278.82x = 204,437.76 × 36,442.36
  4. Step 4: Simplify right side
    136,278.82x = 7,450,194,447.51
  5. Step 5: Solve for x
    x = 7,450,194,447.51/136,278.82
  6. Step 6: Final answer
    x = 54,668.76

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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.