Home / 258,525.06-387,578.40-116,266.15

Finding the Fourth Proportional to 258,525.06, 387,578.40 and 116,266.15

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Solution

The fourth proportional to 258,525.06, 387,578.40 and 116,266.15 is: 174,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,525.06 : 387,578.40 = 116,266.15 : x
  2. Step 2: Convert to fraction form
    258,525.06/387,578.40 = 116,266.15/x
  3. Step 3: Cross multiply
    258,525.06x = 387,578.40 × 116,266.15
  4. Step 4: Simplify right side
    258,525.06x = 45,062,248,391.16
  5. Step 5: Solve for x
    x = 45,062,248,391.16/258,525.06
  6. Step 6: Final answer
    x = 174,305.15

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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.