Home / 120,888.04-166,822.18-67,171.67

Finding the Fourth Proportional to 120,888.04, 166,822.18 and 67,171.67

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Solution

The fourth proportional to 120,888.04, 166,822.18 and 67,171.67 is: 92,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,888.04 : 166,822.18 = 67,171.67 : x
  2. Step 2: Convert to fraction form
    120,888.04/166,822.18 = 67,171.67/x
  3. Step 3: Cross multiply
    120,888.04x = 166,822.18 × 67,171.67
  4. Step 4: Simplify right side
    120,888.04x = 11,205,724,087.78
  5. Step 5: Solve for x
    x = 11,205,724,087.78/120,888.04
  6. Step 6: Final answer
    x = 92,695.06

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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.