Home / 188,637.31-282,912.09-55,481.95

Finding the Fourth Proportional to 188,637.31, 282,912.09 and 55,481.95

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Solution

The fourth proportional to 188,637.31, 282,912.09 and 55,481.95 is: 83,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,637.31 : 282,912.09 = 55,481.95 : x
  2. Step 2: Convert to fraction form
    188,637.31/282,912.09 = 55,481.95/x
  3. Step 3: Cross multiply
    188,637.31x = 282,912.09 × 55,481.95
  4. Step 4: Simplify right side
    188,637.31x = 15,696,514,431.78
  5. Step 5: Solve for x
    x = 15,696,514,431.78/188,637.31
  6. Step 6: Final answer
    x = 83,210.02

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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.