Home / 120,623.68-166,457.46-69,634.69

Finding the Fourth Proportional to 120,623.68, 166,457.46 and 69,634.69

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Solution

The fourth proportional to 120,623.68, 166,457.46 and 69,634.69 is: 96,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,623.68 : 166,457.46 = 69,634.69 : x
  2. Step 2: Convert to fraction form
    120,623.68/166,457.46 = 69,634.69/x
  3. Step 3: Cross multiply
    120,623.68x = 166,457.46 × 69,634.69
  4. Step 4: Simplify right side
    120,623.68x = 11,591,213,470.27
  5. Step 5: Solve for x
    x = 11,591,213,470.27/120,623.68
  6. Step 6: Final answer
    x = 96,094.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.