Home / 120,437.48-166,110.14-82,227.76

Finding the Fourth Proportional to 120,437.48, 166,110.14 and 82,227.76

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Solution

The fourth proportional to 120,437.48, 166,110.14 and 82,227.76 is: 113,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,437.48 : 166,110.14 = 82,227.76 : x
  2. Step 2: Convert to fraction form
    120,437.48/166,110.14 = 82,227.76/x
  3. Step 3: Cross multiply
    120,437.48x = 166,110.14 × 82,227.76
  4. Step 4: Simplify right side
    120,437.48x = 13,658,864,515.78
  5. Step 5: Solve for x
    x = 13,658,864,515.78/120,437.48
  6. Step 6: Final answer
    x = 113,410.41

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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.