Home / 127,493.70-191,240.55-126,716.10

Finding the Fourth Proportional to 127,493.70, 191,240.55 and 126,716.10

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Solution

The fourth proportional to 127,493.70, 191,240.55 and 126,716.10 is: 190,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,493.70 : 191,240.55 = 126,716.10 : x
  2. Step 2: Convert to fraction form
    127,493.70/191,240.55 = 126,716.10/x
  3. Step 3: Cross multiply
    127,493.70x = 191,240.55 × 126,716.10
  4. Step 4: Simplify right side
    127,493.70x = 24,233,256,657.86
  5. Step 5: Solve for x
    x = 24,233,256,657.86/127,493.70
  6. Step 6: Final answer
    x = 190,074.15

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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.