Home / 258,832.06-387,920.95-116,525.79

Finding the Fourth Proportional to 258,832.06, 387,920.95 and 116,525.79

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Solution

The fourth proportional to 258,832.06, 387,920.95 and 116,525.79 is: 174,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,832.06 : 387,920.95 = 116,525.79 : x
  2. Step 2: Convert to fraction form
    258,832.06/387,920.95 = 116,525.79/x
  3. Step 3: Cross multiply
    258,832.06x = 387,920.95 × 116,525.79
  4. Step 4: Simplify right side
    258,832.06x = 45,202,794,864.99
  5. Step 5: Solve for x
    x = 45,202,794,864.99/258,832.06
  6. Step 6: Final answer
    x = 174,641.41

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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.