Home / 258,833.06-387,922.45-116,526.79

Finding the Fourth Proportional to 258,833.06, 387,922.45 and 116,526.79

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Solution

The fourth proportional to 258,833.06, 387,922.45 and 116,526.79 is: 174,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,833.06 : 387,922.45 = 116,526.79 : x
  2. Step 2: Convert to fraction form
    258,833.06/387,922.45 = 116,526.79/x
  3. Step 3: Cross multiply
    258,833.06x = 387,922.45 × 116,526.79
  4. Step 4: Simplify right side
    258,833.06x = 45,203,357,867.44
  5. Step 5: Solve for x
    x = 45,203,357,867.44/258,833.06
  6. Step 6: Final answer
    x = 174,642.91

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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.