Home / 127,834.20-191,751.30-57,850.20

Finding the Fourth Proportional to 127,834.20, 191,751.30 and 57,850.20

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Solution

The fourth proportional to 127,834.20, 191,751.30 and 57,850.20 is: 86,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.20 : 191,751.30 = 57,850.20 : x
  2. Step 2: Convert to fraction form
    127,834.20/191,751.30 = 57,850.20/x
  3. Step 3: Cross multiply
    127,834.20x = 191,751.30 × 57,850.20
  4. Step 4: Simplify right side
    127,834.20x = 11,092,851,055.26
  5. Step 5: Solve for x
    x = 11,092,851,055.26/127,834.20
  6. Step 6: Final answer
    x = 86,775.30

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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.