Home / 127,126.78-190,680.88-52,226.58

Finding the Fourth Proportional to 127,126.78, 190,680.88 and 52,226.58

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Solution

The fourth proportional to 127,126.78, 190,680.88 and 52,226.58 is: 78,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,126.78 : 190,680.88 = 52,226.58 : x
  2. Step 2: Convert to fraction form
    127,126.78/190,680.88 = 52,226.58/x
  3. Step 3: Cross multiply
    127,126.78x = 190,680.88 × 52,226.58
  4. Step 4: Simplify right side
    127,126.78x = 9,958,610,233.79
  5. Step 5: Solve for x
    x = 9,958,610,233.79/127,126.78
  6. Step 6: Final answer
    x = 78,336.05

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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.