Home / 120,635.56-166,442.82-70,324.84

Finding the Fourth Proportional to 120,635.56, 166,442.82 and 70,324.84

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Solution

The fourth proportional to 120,635.56, 166,442.82 and 70,324.84 is: 97,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,635.56 : 166,442.82 = 70,324.84 : x
  2. Step 2: Convert to fraction form
    120,635.56/166,442.82 = 70,324.84/x
  3. Step 3: Cross multiply
    120,635.56x = 166,442.82 × 70,324.84
  4. Step 4: Simplify right side
    120,635.56x = 11,705,064,685.65
  5. Step 5: Solve for x
    x = 11,705,064,685.65/120,635.56
  6. Step 6: Final answer
    x = 97,028.31

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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.