Home / 209,058.35-313,569.06-75,939.77

Finding the Fourth Proportional to 209,058.35, 313,569.06 and 75,939.77

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Solution

The fourth proportional to 209,058.35, 313,569.06 and 75,939.77 is: 113,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,058.35 : 313,569.06 = 75,939.77 : x
  2. Step 2: Convert to fraction form
    209,058.35/313,569.06 = 75,939.77/x
  3. Step 3: Cross multiply
    209,058.35x = 313,569.06 × 75,939.77
  4. Step 4: Simplify right side
    209,058.35x = 23,812,360,727.67
  5. Step 5: Solve for x
    x = 23,812,360,727.67/209,058.35
  6. Step 6: Final answer
    x = 113,902.94

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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.