Home / 127,350.12-175,620.24-84,309.96

Finding the Fourth Proportional to 127,350.12, 175,620.24 and 84,309.96

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Solution

The fourth proportional to 127,350.12, 175,620.24 and 84,309.96 is: 116,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,350.12 : 175,620.24 = 84,309.96 : x
  2. Step 2: Convert to fraction form
    127,350.12/175,620.24 = 84,309.96/x
  3. Step 3: Cross multiply
    127,350.12x = 175,620.24 × 84,309.96
  4. Step 4: Simplify right side
    127,350.12x = 14,806,535,409.59
  5. Step 5: Solve for x
    x = 14,806,535,409.59/127,350.12
  6. Step 6: Final answer
    x = 116,266.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.