Home / 126,917.45-190,175.89-46,845.21

Finding the Fourth Proportional to 126,917.45, 190,175.89 and 46,845.21

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Solution

The fourth proportional to 126,917.45, 190,175.89 and 46,845.21 is: 70,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,917.45 : 190,175.89 = 46,845.21 : x
  2. Step 2: Convert to fraction form
    126,917.45/190,175.89 = 46,845.21/x
  3. Step 3: Cross multiply
    126,917.45x = 190,175.89 × 46,845.21
  4. Step 4: Simplify right side
    126,917.45x = 8,908,829,503.99
  5. Step 5: Solve for x
    x = 8,908,829,503.99/126,917.45
  6. Step 6: Final answer
    x = 70,193.89

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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.