Home / 120,442.93-166,234.49-69,488.56

Finding the Fourth Proportional to 120,442.93, 166,234.49 and 69,488.56

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Solution

The fourth proportional to 120,442.93, 166,234.49 and 69,488.56 is: 95,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,442.93 : 166,234.49 = 69,488.56 : x
  2. Step 2: Convert to fraction form
    120,442.93/166,234.49 = 69,488.56/x
  3. Step 3: Cross multiply
    120,442.93x = 166,234.49 × 69,488.56
  4. Step 4: Simplify right side
    120,442.93x = 11,551,395,332.43
  5. Step 5: Solve for x
    x = 11,551,395,332.43/120,442.93
  6. Step 6: Final answer
    x = 95,907.62

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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.