Home / 127,934.60-192,132.30-123,787.40

Finding the Fourth Proportional to 127,934.60, 192,132.30 and 123,787.40

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Solution

The fourth proportional to 127,934.60, 192,132.30 and 123,787.40 is: 185,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,934.60 : 192,132.30 = 123,787.40 : x
  2. Step 2: Convert to fraction form
    127,934.60/192,132.30 = 123,787.40/x
  3. Step 3: Cross multiply
    127,934.60x = 192,132.30 × 123,787.40
  4. Step 4: Simplify right side
    127,934.60x = 23,783,557,873.02
  5. Step 5: Solve for x
    x = 23,783,557,873.02/127,934.60
  6. Step 6: Final answer
    x = 185,904.03

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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.