Home / 209,844.29-314,703.97-76,693.46

Finding the Fourth Proportional to 209,844.29, 314,703.97 and 76,693.46

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Solution

The fourth proportional to 209,844.29, 314,703.97 and 76,693.46 is: 115,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,844.29 : 314,703.97 = 76,693.46 : x
  2. Step 2: Convert to fraction form
    209,844.29/314,703.97 = 76,693.46/x
  3. Step 3: Cross multiply
    209,844.29x = 314,703.97 × 76,693.46
  4. Step 4: Simplify right side
    209,844.29x = 24,135,734,569.78
  5. Step 5: Solve for x
    x = 24,135,734,569.78/209,844.29
  6. Step 6: Final answer
    x = 115,017.35

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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.