Home / 127,382.05-191,072.79-33,887.80

Finding the Fourth Proportional to 127,382.05, 191,072.79 and 33,887.80

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Solution

The fourth proportional to 127,382.05, 191,072.79 and 33,887.80 is: 50,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,382.05 : 191,072.79 = 33,887.80 : x
  2. Step 2: Convert to fraction form
    127,382.05/191,072.79 = 33,887.80/x
  3. Step 3: Cross multiply
    127,382.05x = 191,072.79 × 33,887.80
  4. Step 4: Simplify right side
    127,382.05x = 6,475,036,492.96
  5. Step 5: Solve for x
    x = 6,475,036,492.96/127,382.05
  6. Step 6: Final answer
    x = 50,831.62

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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.