Home / 236,183.09-354,238.11-86,388.35

Finding the Fourth Proportional to 236,183.09, 354,238.11 and 86,388.35

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Solution

The fourth proportional to 236,183.09, 354,238.11 and 86,388.35 is: 129,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,183.09 : 354,238.11 = 86,388.35 : x
  2. Step 2: Convert to fraction form
    236,183.09/354,238.11 = 86,388.35/x
  3. Step 3: Cross multiply
    236,183.09x = 354,238.11 × 86,388.35
  4. Step 4: Simplify right side
    236,183.09x = 30,602,044,058.83
  5. Step 5: Solve for x
    x = 30,602,044,058.83/236,183.09
  6. Step 6: Final answer
    x = 129,569.16

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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.