Home / 126,818.24-190,249.22-42,586.50

Finding the Fourth Proportional to 126,818.24, 190,249.22 and 42,586.50

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Solution

The fourth proportional to 126,818.24, 190,249.22 and 42,586.50 is: 63,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,818.24 : 190,249.22 = 42,586.50 : x
  2. Step 2: Convert to fraction form
    126,818.24/190,249.22 = 42,586.50/x
  3. Step 3: Cross multiply
    126,818.24x = 190,249.22 × 42,586.50
  4. Step 4: Simplify right side
    126,818.24x = 8,102,048,407.53
  5. Step 5: Solve for x
    x = 8,102,048,407.53/126,818.24
  6. Step 6: Final answer
    x = 63,887.09

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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.