Home / 127,834.05-191,750.22-39,087.21

Finding the Fourth Proportional to 127,834.05, 191,750.22 and 39,087.21

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Solution

The fourth proportional to 127,834.05, 191,750.22 and 39,087.21 is: 58,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.05 : 191,750.22 = 39,087.21 : x
  2. Step 2: Convert to fraction form
    127,834.05/191,750.22 = 39,087.21/x
  3. Step 3: Cross multiply
    127,834.05x = 191,750.22 × 39,087.21
  4. Step 4: Simplify right side
    127,834.05x = 7,494,981,116.69
  5. Step 5: Solve for x
    x = 7,494,981,116.69/127,834.05
  6. Step 6: Final answer
    x = 58,630.55

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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.