Home / 127,814.14-191,745.51-57,693.25

Finding the Fourth Proportional to 127,814.14, 191,745.51 and 57,693.25

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Solution

The fourth proportional to 127,814.14, 191,745.51 and 57,693.25 is: 86,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814.14 : 191,745.51 = 57,693.25 : x
  2. Step 2: Convert to fraction form
    127,814.14/191,745.51 = 57,693.25/x
  3. Step 3: Cross multiply
    127,814.14x = 191,745.51 × 57,693.25
  4. Step 4: Simplify right side
    127,814.14x = 11,062,421,644.81
  5. Step 5: Solve for x
    x = 11,062,421,644.81/127,814.14
  6. Step 6: Final answer
    x = 86,550.84

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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.