Home / 206,345.21-309,564.27-73,225.26

Finding the Fourth Proportional to 206,345.21, 309,564.27 and 73,225.26

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Solution

The fourth proportional to 206,345.21, 309,564.27 and 73,225.26 is: 109,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,345.21 : 309,564.27 = 73,225.26 : x
  2. Step 2: Convert to fraction form
    206,345.21/309,564.27 = 73,225.26/x
  3. Step 3: Cross multiply
    206,345.21x = 309,564.27 × 73,225.26
  4. Step 4: Simplify right side
    206,345.21x = 22,667,924,157.46
  5. Step 5: Solve for x
    x = 22,667,924,157.46/206,345.21
  6. Step 6: Final answer
    x = 109,854.38

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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.