Home / 127,018.24-190,517.12-52,117.12

Finding the Fourth Proportional to 127,018.24, 190,517.12 and 52,117.12

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Solution

The fourth proportional to 127,018.24, 190,517.12 and 52,117.12 is: 78,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,018.24 : 190,517.12 = 52,117.12 : x
  2. Step 2: Convert to fraction form
    127,018.24/190,517.12 = 52,117.12/x
  3. Step 3: Cross multiply
    127,018.24x = 190,517.12 × 52,117.12
  4. Step 4: Simplify right side
    127,018.24x = 9,929,203,605.09
  5. Step 5: Solve for x
    x = 9,929,203,605.09/127,018.24
  6. Step 6: Final answer
    x = 78,171.48

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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.