Home / 127,309.44-191,080.80-126,833.16

Finding the Fourth Proportional to 127,309.44, 191,080.80 and 126,833.16

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Solution

The fourth proportional to 127,309.44, 191,080.80 and 126,833.16 is: 190,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,309.44 : 191,080.80 = 126,833.16 : x
  2. Step 2: Convert to fraction form
    127,309.44/191,080.80 = 126,833.16/x
  3. Step 3: Cross multiply
    127,309.44x = 191,080.80 × 126,833.16
  4. Step 4: Simplify right side
    127,309.44x = 24,235,381,679.33
  5. Step 5: Solve for x
    x = 24,235,381,679.33/127,309.44
  6. Step 6: Final answer
    x = 190,365.94

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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.