Home / 120,483.03-166,267.55-66,768.93

Finding the Fourth Proportional to 120,483.03, 166,267.55 and 66,768.93

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Solution

The fourth proportional to 120,483.03, 166,267.55 and 66,768.93 is: 92,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,483.03 : 166,267.55 = 66,768.93 : x
  2. Step 2: Convert to fraction form
    120,483.03/166,267.55 = 66,768.93/x
  3. Step 3: Cross multiply
    120,483.03x = 166,267.55 × 66,768.93
  4. Step 4: Simplify right side
    120,483.03x = 11,101,505,742.81
  5. Step 5: Solve for x
    x = 11,101,505,742.81/120,483.03
  6. Step 6: Final answer
    x = 92,141.66

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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.