Home / 126,883.16-190,327.84-42,644.56

Finding the Fourth Proportional to 126,883.16, 190,327.84 and 42,644.56

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Solution

The fourth proportional to 126,883.16, 190,327.84 and 42,644.56 is: 63,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,883.16 : 190,327.84 = 42,644.56 : x
  2. Step 2: Convert to fraction form
    126,883.16/190,327.84 = 42,644.56/x
  3. Step 3: Cross multiply
    126,883.16x = 190,327.84 × 42,644.56
  4. Step 4: Simplify right side
    126,883.16x = 8,116,446,992.55
  5. Step 5: Solve for x
    x = 8,116,446,992.55/126,883.16
  6. Step 6: Final answer
    x = 63,967.88

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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.