Home / 120,624.75-166,458.94-69,635.76

Finding the Fourth Proportional to 120,624.75, 166,458.94 and 69,635.76

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Solution

The fourth proportional to 120,624.75, 166,458.94 and 69,635.76 is: 96,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,624.75 : 166,458.94 = 69,635.76 : x
  2. Step 2: Convert to fraction form
    120,624.75/166,458.94 = 69,635.76/x
  3. Step 3: Cross multiply
    120,624.75x = 166,458.94 × 69,635.76
  4. Step 4: Simplify right side
    120,624.75x = 11,591,494,795.69
  5. Step 5: Solve for x
    x = 11,591,494,795.69/120,624.75
  6. Step 6: Final answer
    x = 96,095.49

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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.