Home / 127,966.60-192,180.30-123,819.40

Finding the Fourth Proportional to 127,966.60, 192,180.30 and 123,819.40

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Solution

The fourth proportional to 127,966.60, 192,180.30 and 123,819.40 is: 185,952.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,966.60 : 192,180.30 = 123,819.40 : x
  2. Step 2: Convert to fraction form
    127,966.60/192,180.30 = 123,819.40/x
  3. Step 3: Cross multiply
    127,966.60x = 192,180.30 × 123,819.40
  4. Step 4: Simplify right side
    127,966.60x = 23,795,649,437.82
  5. Step 5: Solve for x
    x = 23,795,649,437.82/127,966.60
  6. Step 6: Final answer
    x = 185,952.03

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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.