Home / 127,382.04-191,072.80-33,887.80

Finding the Fourth Proportional to 127,382.04, 191,072.80 and 33,887.80

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Solution

The fourth proportional to 127,382.04, 191,072.80 and 33,887.80 is: 50,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,382.04 : 191,072.80 = 33,887.80 : x
  2. Step 2: Convert to fraction form
    127,382.04/191,072.80 = 33,887.80/x
  3. Step 3: Cross multiply
    127,382.04x = 191,072.80 × 33,887.80
  4. Step 4: Simplify right side
    127,382.04x = 6,475,036,831.84
  5. Step 5: Solve for x
    x = 6,475,036,831.84/127,382.04
  6. Step 6: Final answer
    x = 50,831.63

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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.