Home / 258,361.13-387,466.36-100,552.07

Finding the Fourth Proportional to 258,361.13, 387,466.36 and 100,552.07

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Solution

The fourth proportional to 258,361.13, 387,466.36 and 100,552.07 is: 150,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,361.13 : 387,466.36 = 100,552.07 : x
  2. Step 2: Convert to fraction form
    258,361.13/387,466.36 = 100,552.07/x
  3. Step 3: Cross multiply
    258,361.13x = 387,466.36 × 100,552.07
  4. Step 4: Simplify right side
    258,361.13x = 38,960,544,553.37
  5. Step 5: Solve for x
    x = 38,960,544,553.37/258,361.13
  6. Step 6: Final answer
    x = 150,798.79

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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.