Home / 120,300.66-180,450.18-94,027.50

Finding the Fourth Proportional to 120,300.66, 180,450.18 and 94,027.50

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Solution

The fourth proportional to 120,300.66, 180,450.18 and 94,027.50 is: 141,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,300.66 : 180,450.18 = 94,027.50 : x
  2. Step 2: Convert to fraction form
    120,300.66/180,450.18 = 94,027.50/x
  3. Step 3: Cross multiply
    120,300.66x = 180,450.18 × 94,027.50
  4. Step 4: Simplify right side
    120,300.66x = 16,967,279,299.95
  5. Step 5: Solve for x
    x = 16,967,279,299.95/120,300.66
  6. Step 6: Final answer
    x = 141,040.62

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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.