Home / 127,940.50-191,910.75-34,446.25

Finding the Fourth Proportional to 127,940.50, 191,910.75 and 34,446.25

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Solution

The fourth proportional to 127,940.50, 191,910.75 and 34,446.25 is: 51,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,940.50 : 191,910.75 = 34,446.25 : x
  2. Step 2: Convert to fraction form
    127,940.50/191,910.75 = 34,446.25/x
  3. Step 3: Cross multiply
    127,940.50x = 191,910.75 × 34,446.25
  4. Step 4: Simplify right side
    127,940.50x = 6,610,605,672.19
  5. Step 5: Solve for x
    x = 6,610,605,672.19/127,940.50
  6. Step 6: Final answer
    x = 51,669.38

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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.