Home / 127,010.97-190,521.72-52,078.28

Finding the Fourth Proportional to 127,010.97, 190,521.72 and 52,078.28

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Solution

The fourth proportional to 127,010.97, 190,521.72 and 52,078.28 is: 78,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,010.97 : 190,521.72 = 52,078.28 : x
  2. Step 2: Convert to fraction form
    127,010.97/190,521.72 = 52,078.28/x
  3. Step 3: Cross multiply
    127,010.97x = 190,521.72 × 52,078.28
  4. Step 4: Simplify right side
    127,010.97x = 9,922,042,527.63
  5. Step 5: Solve for x
    x = 9,922,042,527.63/127,010.97
  6. Step 6: Final answer
    x = 78,119.57

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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.