Home / 188,268.48-282,457.38-75,890.70

Finding the Fourth Proportional to 188,268.48, 282,457.38 and 75,890.70

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Solution

The fourth proportional to 188,268.48, 282,457.38 and 75,890.70 is: 113,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,268.48 : 282,457.38 = 75,890.70 : x
  2. Step 2: Convert to fraction form
    188,268.48/282,457.38 = 75,890.70/x
  3. Step 3: Cross multiply
    188,268.48x = 282,457.38 × 75,890.70
  4. Step 4: Simplify right side
    188,268.48x = 21,435,888,288.37
  5. Step 5: Solve for x
    x = 21,435,888,288.37/188,268.48
  6. Step 6: Final answer
    x = 113,858.08

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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.