Home / 206,282.40-284,644.26-125,680.56

Finding the Fourth Proportional to 206,282.40, 284,644.26 and 125,680.56

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Solution

The fourth proportional to 206,282.40, 284,644.26 and 125,680.56 is: 173,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,282.40 : 284,644.26 = 125,680.56 : x
  2. Step 2: Convert to fraction form
    206,282.40/284,644.26 = 125,680.56/x
  3. Step 3: Cross multiply
    206,282.40x = 284,644.26 × 125,680.56
  4. Step 4: Simplify right side
    206,282.40x = 35,774,249,997.59
  5. Step 5: Solve for x
    x = 35,774,249,997.59/206,282.40
  6. Step 6: Final answer
    x = 173,423.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.