Home / 204,058.47-306,139.58-119,889.75

Finding the Fourth Proportional to 204,058.47, 306,139.58 and 119,889.75

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Solution

The fourth proportional to 204,058.47, 306,139.58 and 119,889.75 is: 179,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,058.47 : 306,139.58 = 119,889.75 : x
  2. Step 2: Convert to fraction form
    204,058.47/306,139.58 = 119,889.75/x
  3. Step 3: Cross multiply
    204,058.47x = 306,139.58 × 119,889.75
  4. Step 4: Simplify right side
    204,058.47x = 36,702,997,111.86
  5. Step 5: Solve for x
    x = 36,702,997,111.86/204,058.47
  6. Step 6: Final answer
    x = 179,865.10

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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.