Home / 188,680.32-282,792.64-83,379.84

Finding the Fourth Proportional to 188,680.32, 282,792.64 and 83,379.84

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Solution

The fourth proportional to 188,680.32, 282,792.64 and 83,379.84 is: 124,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,680.32 : 282,792.64 = 83,379.84 : x
  2. Step 2: Convert to fraction form
    188,680.32/282,792.64 = 83,379.84/x
  3. Step 3: Cross multiply
    188,680.32x = 282,792.64 × 83,379.84
  4. Step 4: Simplify right side
    188,680.32x = 23,579,205,076.38
  5. Step 5: Solve for x
    x = 23,579,205,076.38/188,680.32
  6. Step 6: Final answer
    x = 124,969.08

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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.