Home / 127,211.16-190,820.82-63,996.78

Finding the Fourth Proportional to 127,211.16, 190,820.82 and 63,996.78

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Solution

The fourth proportional to 127,211.16, 190,820.82 and 63,996.78 is: 95,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,211.16 : 190,820.82 = 63,996.78 : x
  2. Step 2: Convert to fraction form
    127,211.16/190,820.82 = 63,996.78/x
  3. Step 3: Cross multiply
    127,211.16x = 190,820.82 × 63,996.78
  4. Step 4: Simplify right side
    127,211.16x = 12,211,918,036.96
  5. Step 5: Solve for x
    x = 12,211,918,036.96/127,211.16
  6. Step 6: Final answer
    x = 95,997.22

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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.