Home / 127,274.20-190,911.30-115,610.20

Finding the Fourth Proportional to 127,274.20, 190,911.30 and 115,610.20

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Solution

The fourth proportional to 127,274.20, 190,911.30 and 115,610.20 is: 173,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,274.20 : 190,911.30 = 115,610.20 : x
  2. Step 2: Convert to fraction form
    127,274.20/190,911.30 = 115,610.20/x
  3. Step 3: Cross multiply
    127,274.20x = 190,911.30 × 115,610.20
  4. Step 4: Simplify right side
    127,274.20x = 22,071,293,575.26
  5. Step 5: Solve for x
    x = 22,071,293,575.26/127,274.20
  6. Step 6: Final answer
    x = 173,415.30

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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.