Home / 120,301.73-166,011.16-66,583.54

Finding the Fourth Proportional to 120,301.73, 166,011.16 and 66,583.54

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Solution

The fourth proportional to 120,301.73, 166,011.16 and 66,583.54 is: 91,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,301.73 : 166,011.16 = 66,583.54 : x
  2. Step 2: Convert to fraction form
    120,301.73/166,011.16 = 66,583.54/x
  3. Step 3: Cross multiply
    120,301.73x = 166,011.16 × 66,583.54
  4. Step 4: Simplify right side
    120,301.73x = 11,053,610,712.31
  5. Step 5: Solve for x
    x = 11,053,610,712.31/120,301.73
  6. Step 6: Final answer
    x = 91,882.39

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1.5x scale

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.