Home / 209,719.36-289,313.78-141,760.06

Finding the Fourth Proportional to 209,719.36, 289,313.78 and 141,760.06

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Solution

The fourth proportional to 209,719.36, 289,313.78 and 141,760.06 is: 195,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,719.36 : 289,313.78 = 141,760.06 : x
  2. Step 2: Convert to fraction form
    209,719.36/289,313.78 = 141,760.06/x
  3. Step 3: Cross multiply
    209,719.36x = 289,313.78 × 141,760.06
  4. Step 4: Simplify right side
    209,719.36x = 41,013,137,379.54
  5. Step 5: Solve for x
    x = 41,013,137,379.54/209,719.36
  6. Step 6: Final answer
    x = 195,562.00

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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.