Home / 206,768.34-310,148.91-113,223.06

Finding the Fourth Proportional to 206,768.34, 310,148.91 and 113,223.06

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Solution

The fourth proportional to 206,768.34, 310,148.91 and 113,223.06 is: 169,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,768.34 : 310,148.91 = 113,223.06 : x
  2. Step 2: Convert to fraction form
    206,768.34/310,148.91 = 113,223.06/x
  3. Step 3: Cross multiply
    206,768.34x = 310,148.91 × 113,223.06
  4. Step 4: Simplify right side
    206,768.34x = 35,116,008,645.86
  5. Step 5: Solve for x
    x = 35,116,008,645.86/206,768.34
  6. Step 6: Final answer
    x = 169,832.62

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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.