Home / 120,179.18-165,828.84-69,182.06

Finding the Fourth Proportional to 120,179.18, 165,828.84 and 69,182.06

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Solution

The fourth proportional to 120,179.18, 165,828.84 and 69,182.06 is: 95,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,179.18 : 165,828.84 = 69,182.06 : x
  2. Step 2: Convert to fraction form
    120,179.18/165,828.84 = 69,182.06/x
  3. Step 3: Cross multiply
    120,179.18x = 165,828.84 × 69,182.06
  4. Step 4: Simplify right side
    120,179.18x = 11,472,379,929.47
  5. Step 5: Solve for x
    x = 11,472,379,929.47/120,179.18
  6. Step 6: Final answer
    x = 95,460.63

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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.