Home / 107,468.89-148,282.38-66,669.73

Finding the Fourth Proportional to 107,468.89, 148,282.38 and 66,669.73

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Solution

The fourth proportional to 107,468.89, 148,282.38 and 66,669.73 is: 91,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,468.89 : 148,282.38 = 66,669.73 : x
  2. Step 2: Convert to fraction form
    107,468.89/148,282.38 = 66,669.73/x
  3. Step 3: Cross multiply
    107,468.89x = 148,282.38 × 66,669.73
  4. Step 4: Simplify right side
    107,468.89x = 9,885,945,163.60
  5. Step 5: Solve for x
    x = 9,885,945,163.60/107,468.89
  6. Step 6: Final answer
    x = 91,988.90

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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.