Home / 120,760.70-181,192.32-64,586.25

Finding the Fourth Proportional to 120,760.70, 181,192.32 and 64,586.25

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Solution

The fourth proportional to 120,760.70, 181,192.32 and 64,586.25 is: 96,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,760.70 : 181,192.32 = 64,586.25 : x
  2. Step 2: Convert to fraction form
    120,760.70/181,192.32 = 64,586.25/x
  3. Step 3: Cross multiply
    120,760.70x = 181,192.32 × 64,586.25
  4. Step 4: Simplify right side
    120,760.70x = 11,702,532,477.60
  5. Step 5: Solve for x
    x = 11,702,532,477.60/120,760.70
  6. Step 6: Final answer
    x = 96,906.80

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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.