Home / 258,161.00-386,680.74-124,761.52

Finding the Fourth Proportional to 258,161.00, 386,680.74 and 124,761.52

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Solution

The fourth proportional to 258,161.00, 386,680.74 and 124,761.52 is: 186,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,161.00 : 386,680.74 = 124,761.52 : x
  2. Step 2: Convert to fraction form
    258,161.00/386,680.74 = 124,761.52/x
  3. Step 3: Cross multiply
    258,161.00x = 386,680.74 × 124,761.52
  4. Step 4: Simplify right side
    258,161.00x = 48,242,874,717.54
  5. Step 5: Solve for x
    x = 48,242,874,717.54/258,161.00
  6. Step 6: Final answer
    x = 186,871.27

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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.