Home / 127,933.60-192,130.80-123,786.40

Finding the Fourth Proportional to 127,933.60, 192,130.80 and 123,786.40

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Solution

The fourth proportional to 127,933.60, 192,130.80 and 123,786.40 is: 185,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,933.60 : 192,130.80 = 123,786.40 : x
  2. Step 2: Convert to fraction form
    127,933.60/192,130.80 = 123,786.40/x
  3. Step 3: Cross multiply
    127,933.60x = 192,130.80 × 123,786.40
  4. Step 4: Simplify right side
    127,933.60x = 23,783,180,061.12
  5. Step 5: Solve for x
    x = 23,783,180,061.12/127,933.60
  6. Step 6: Final answer
    x = 185,902.53

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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.