Home / 127,932.06-191,803.31-61,308.75

Finding the Fourth Proportional to 127,932.06, 191,803.31 and 61,308.75

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Solution

The fourth proportional to 127,932.06, 191,803.31 and 61,308.75 is: 91,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,932.06 : 191,803.31 = 61,308.75 : x
  2. Step 2: Convert to fraction form
    127,932.06/191,803.31 = 61,308.75/x
  3. Step 3: Cross multiply
    127,932.06x = 191,803.31 × 61,308.75
  4. Step 4: Simplify right side
    127,932.06x = 11,759,220,376.22
  5. Step 5: Solve for x
    x = 11,759,220,376.22/127,932.06
  6. Step 6: Final answer
    x = 91,917.70

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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.