Home / 236,508.05-354,551.13-86,713.40

Finding the Fourth Proportional to 236,508.05, 354,551.13 and 86,713.40

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Solution

The fourth proportional to 236,508.05, 354,551.13 and 86,713.40 is: 129,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,508.05 : 354,551.13 = 86,713.40 : x
  2. Step 2: Convert to fraction form
    236,508.05/354,551.13 = 86,713.40/x
  3. Step 3: Cross multiply
    236,508.05x = 354,551.13 × 86,713.40
  4. Step 4: Simplify right side
    236,508.05x = 30,744,332,183.39
  5. Step 5: Solve for x
    x = 30,744,332,183.39/236,508.05
  6. Step 6: Final answer
    x = 129,992.75

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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.