Home / 209,634.16-314,188.78-165,084.96

Finding the Fourth Proportional to 209,634.16, 314,188.78 and 165,084.96

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Solution

The fourth proportional to 209,634.16, 314,188.78 and 165,084.96 is: 247,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,634.16 : 314,188.78 = 165,084.96 : x
  2. Step 2: Convert to fraction form
    209,634.16/314,188.78 = 165,084.96/x
  3. Step 3: Cross multiply
    209,634.16x = 314,188.78 × 165,084.96
  4. Step 4: Simplify right side
    209,634.16x = 51,867,842,178.75
  5. Step 5: Solve for x
    x = 51,867,842,178.75/209,634.16
  6. Step 6: Final answer
    x = 247,420.76

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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.