Home / 127,834.20-191,751.30-34,349.40

Finding the Fourth Proportional to 127,834.20, 191,751.30 and 34,349.40

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Solution

The fourth proportional to 127,834.20, 191,751.30 and 34,349.40 is: 51,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.20 : 191,751.30 = 34,349.40 : x
  2. Step 2: Convert to fraction form
    127,834.20/191,751.30 = 34,349.40/x
  3. Step 3: Cross multiply
    127,834.20x = 191,751.30 × 34,349.40
  4. Step 4: Simplify right side
    127,834.20x = 6,586,542,104.22
  5. Step 5: Solve for x
    x = 6,586,542,104.22/127,834.20
  6. Step 6: Final answer
    x = 51,524.10

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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.