Home / 120,670.20-180,764.73-94,251.24

Finding the Fourth Proportional to 120,670.20, 180,764.73 and 94,251.24

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Solution

The fourth proportional to 120,670.20, 180,764.73 and 94,251.24 is: 141,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,670.20 : 180,764.73 = 94,251.24 : x
  2. Step 2: Convert to fraction form
    120,670.20/180,764.73 = 94,251.24/x
  3. Step 3: Cross multiply
    120,670.20x = 180,764.73 × 94,251.24
  4. Step 4: Simplify right side
    120,670.20x = 17,037,299,950.77
  5. Step 5: Solve for x
    x = 17,037,299,950.77/120,670.20
  6. Step 6: Final answer
    x = 141,188.96

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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.