Home / 120,832.40-181,313.40-50,718.80

Finding the Fourth Proportional to 120,832.40, 181,313.40 and 50,718.80

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Solution

The fourth proportional to 120,832.40, 181,313.40 and 50,718.80 is: 76,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,832.40 : 181,313.40 = 50,718.80 : x
  2. Step 2: Convert to fraction form
    120,832.40/181,313.40 = 50,718.80/x
  3. Step 3: Cross multiply
    120,832.40x = 181,313.40 × 50,718.80
  4. Step 4: Simplify right side
    120,832.40x = 9,195,998,071.92
  5. Step 5: Solve for x
    x = 9,195,998,071.92/120,832.40
  6. Step 6: Final answer
    x = 76,105.40

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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.