Home / 120,795.18-166,670.51-73,047.51

Finding the Fourth Proportional to 120,795.18, 166,670.51 and 73,047.51

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Solution

The fourth proportional to 120,795.18, 166,670.51 and 73,047.51 is: 100,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,795.18 : 166,670.51 = 73,047.51 : x
  2. Step 2: Convert to fraction form
    120,795.18/166,670.51 = 73,047.51/x
  3. Step 3: Cross multiply
    120,795.18x = 166,670.51 × 73,047.51
  4. Step 4: Simplify right side
    120,795.18x = 12,174,865,380.69
  5. Step 5: Solve for x
    x = 12,174,865,380.69/120,795.18
  6. Step 6: Final answer
    x = 100,789.33

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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.