Home / 148,777.96-222,977.18-69,717.80

Finding the Fourth Proportional to 148,777.96, 222,977.18 and 69,717.80

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Solution

The fourth proportional to 148,777.96, 222,977.18 and 69,717.80 is: 104,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,777.96 : 222,977.18 = 69,717.80 : x
  2. Step 2: Convert to fraction form
    148,777.96/222,977.18 = 69,717.80/x
  3. Step 3: Cross multiply
    148,777.96x = 222,977.18 × 69,717.80
  4. Step 4: Simplify right side
    148,777.96x = 15,545,478,439.80
  5. Step 5: Solve for x
    x = 15,545,478,439.80/148,777.96
  6. Step 6: Final answer
    x = 104,487.78

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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.