Home / 127,766.02-191,658.25-51,828.09

Finding the Fourth Proportional to 127,766.02, 191,658.25 and 51,828.09

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Solution

The fourth proportional to 127,766.02, 191,658.25 and 51,828.09 is: 77,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,766.02 : 191,658.25 = 51,828.09 : x
  2. Step 2: Convert to fraction form
    127,766.02/191,658.25 = 51,828.09/x
  3. Step 3: Cross multiply
    127,766.02x = 191,658.25 × 51,828.09
  4. Step 4: Simplify right side
    127,766.02x = 9,933,281,030.24
  5. Step 5: Solve for x
    x = 9,933,281,030.24/127,766.02
  6. Step 6: Final answer
    x = 77,745.88

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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.