Home / 127,290.96-190,645.79-60,777.78

Finding the Fourth Proportional to 127,290.96, 190,645.79 and 60,777.78

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Solution

The fourth proportional to 127,290.96, 190,645.79 and 60,777.78 is: 91,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,290.96 : 190,645.79 = 60,777.78 : x
  2. Step 2: Convert to fraction form
    127,290.96/190,645.79 = 60,777.78/x
  3. Step 3: Cross multiply
    127,290.96x = 190,645.79 × 60,777.78
  4. Step 4: Simplify right side
    127,290.96x = 11,587,026,863.74
  5. Step 5: Solve for x
    x = 11,587,026,863.74/127,290.96
  6. Step 6: Final answer
    x = 91,027.88

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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.