Home / 127,133.20-190,786.20-70,973.20

Finding the Fourth Proportional to 127,133.20, 190,786.20 and 70,973.20

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Solution

The fourth proportional to 127,133.20, 190,786.20 and 70,973.20 is: 106,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,133.20 : 190,786.20 = 70,973.20 : x
  2. Step 2: Convert to fraction form
    127,133.20/190,786.20 = 70,973.20/x
  3. Step 3: Cross multiply
    127,133.20x = 190,786.20 × 70,973.20
  4. Step 4: Simplify right side
    127,133.20x = 13,540,707,129.84
  5. Step 5: Solve for x
    x = 13,540,707,129.84/127,133.20
  6. Step 6: Final answer
    x = 106,508.03

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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.