Home / 185,837.79-256,496.98-122,181.51

Finding the Fourth Proportional to 185,837.79, 256,496.98 and 122,181.51

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Solution

The fourth proportional to 185,837.79, 256,496.98 and 122,181.51 is: 168,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,837.79 : 256,496.98 = 122,181.51 : x
  2. Step 2: Convert to fraction form
    185,837.79/256,496.98 = 122,181.51/x
  3. Step 3: Cross multiply
    185,837.79x = 256,496.98 × 122,181.51
  4. Step 4: Simplify right side
    185,837.79x = 31,339,189,212.34
  5. Step 5: Solve for x
    x = 31,339,189,212.34/185,837.79
  6. Step 6: Final answer
    x = 168,637.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.