Home / 127,141.01-190,803.68-47,190.36

Finding the Fourth Proportional to 127,141.01, 190,803.68 and 47,190.36

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Solution

The fourth proportional to 127,141.01, 190,803.68 and 47,190.36 is: 70,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,141.01 : 190,803.68 = 47,190.36 : x
  2. Step 2: Convert to fraction form
    127,141.01/190,803.68 = 47,190.36/x
  3. Step 3: Cross multiply
    127,141.01x = 190,803.68 × 47,190.36
  4. Step 4: Simplify right side
    127,141.01x = 9,004,094,112.57
  5. Step 5: Solve for x
    x = 9,004,094,112.57/127,141.01
  6. Step 6: Final answer
    x = 70,819.75

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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.