Home / 127,932.81-191,804.44-61,309.50

Finding the Fourth Proportional to 127,932.81, 191,804.44 and 61,309.50

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Solution

The fourth proportional to 127,932.81, 191,804.44 and 61,309.50 is: 91,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,932.81 : 191,804.44 = 61,309.50 : x
  2. Step 2: Convert to fraction form
    127,932.81/191,804.44 = 61,309.50/x
  3. Step 3: Cross multiply
    127,932.81x = 191,804.44 × 61,309.50
  4. Step 4: Simplify right side
    127,932.81x = 11,759,434,314.18
  5. Step 5: Solve for x
    x = 11,759,434,314.18/127,932.81
  6. Step 6: Final answer
    x = 91,918.83

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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.