Home / 127,086.90-190,598.28-52,227.71

Finding the Fourth Proportional to 127,086.90, 190,598.28 and 52,227.71

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Solution

The fourth proportional to 127,086.90, 190,598.28 and 52,227.71 is: 78,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,086.90 : 190,598.28 = 52,227.71 : x
  2. Step 2: Convert to fraction form
    127,086.90/190,598.28 = 52,227.71/x
  3. Step 3: Cross multiply
    127,086.90x = 190,598.28 × 52,227.71
  4. Step 4: Simplify right side
    127,086.90x = 9,954,511,694.34
  5. Step 5: Solve for x
    x = 9,954,511,694.34/127,086.90
  6. Step 6: Final answer
    x = 78,328.39

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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.