Home / 120,334.56-180,502.20-41,447.76

Finding the Fourth Proportional to 120,334.56, 180,502.20 and 41,447.76

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Solution

The fourth proportional to 120,334.56, 180,502.20 and 41,447.76 is: 62,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,334.56 : 180,502.20 = 41,447.76 : x
  2. Step 2: Convert to fraction form
    120,334.56/180,502.20 = 41,447.76/x
  3. Step 3: Cross multiply
    120,334.56x = 180,502.20 × 41,447.76
  4. Step 4: Simplify right side
    120,334.56x = 7,481,411,865.07
  5. Step 5: Solve for x
    x = 7,481,411,865.07/120,334.56
  6. Step 6: Final answer
    x = 62,171.76

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1.5x scale

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.