Home / 204,058.51-306,119.45-104,164.65

Finding the Fourth Proportional to 204,058.51, 306,119.45 and 104,164.65

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Solution

The fourth proportional to 204,058.51, 306,119.45 and 104,164.65 is: 156,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,058.51 : 306,119.45 = 104,164.65 : x
  2. Step 2: Convert to fraction form
    204,058.51/306,119.45 = 104,164.65/x
  3. Step 3: Cross multiply
    204,058.51x = 306,119.45 × 104,164.65
  4. Step 4: Simplify right side
    204,058.51x = 31,886,825,627.85
  5. Step 5: Solve for x
    x = 31,886,825,627.85/204,058.51
  6. Step 6: Final answer
    x = 156,263.15

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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.