Home / 127,979.30-192,055.35-83,497.70

Finding the Fourth Proportional to 127,979.30, 192,055.35 and 83,497.70

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Solution

The fourth proportional to 127,979.30, 192,055.35 and 83,497.70 is: 125,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,979.30 : 192,055.35 = 83,497.70 : x
  2. Step 2: Convert to fraction form
    127,979.30/192,055.35 = 83,497.70/x
  3. Step 3: Cross multiply
    127,979.30x = 192,055.35 × 83,497.70
  4. Step 4: Simplify right side
    127,979.30x = 16,036,179,997.70
  5. Step 5: Solve for x
    x = 16,036,179,997.70/127,979.30
  6. Step 6: Final answer
    x = 125,302.92

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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.