Home / 120,635.74-180,954.92-36,396.66

Finding the Fourth Proportional to 120,635.74, 180,954.92 and 36,396.66

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Solution

The fourth proportional to 120,635.74, 180,954.92 and 36,396.66 is: 54,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,635.74 : 180,954.92 = 36,396.66 : x
  2. Step 2: Convert to fraction form
    120,635.74/180,954.92 = 36,396.66/x
  3. Step 3: Cross multiply
    120,635.74x = 180,954.92 × 36,396.66
  4. Step 4: Simplify right side
    120,635.74x = 6,586,154,246.18
  5. Step 5: Solve for x
    x = 6,586,154,246.18/120,635.74
  6. Step 6: Final answer
    x = 54,595.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.