Home / 188,573.48-282,792.18-55,418.12

Finding the Fourth Proportional to 188,573.48, 282,792.18 and 55,418.12

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Solution

The fourth proportional to 188,573.48, 282,792.18 and 55,418.12 is: 83,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,573.48 : 282,792.18 = 55,418.12 : x
  2. Step 2: Convert to fraction form
    188,573.48/282,792.18 = 55,418.12/x
  3. Step 3: Cross multiply
    188,573.48x = 282,792.18 × 55,418.12
  4. Step 4: Simplify right side
    188,573.48x = 15,671,810,966.30
  5. Step 5: Solve for x
    x = 15,671,810,966.30/188,573.48
  6. Step 6: Final answer
    x = 83,107.18

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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.